Suspect arrested after Molotov cocktail attack at Sam Altman's home and OpenAI headquarters threat

Suspect arrested after Molotov cocktail attack at OpenAI CEO Sam Altman's home

April 10 (Reuters) - A person was arrested by San Francisco police for allegedly throwing a Molotov cocktail at OpenAI CEO Sam Altman's home and for ⁠making threats outside the artificial intelligence startup's headquarters, the company said on Friday. "Thankfully, no one was hurt. We deeply appreciate how quickly SFPD ⁠responded and the support from the city in helping keep our employees ⁠safe," an OpenAI spokesperson said. The company is assisting ⁠law enforcement agencies with their investigation, ⁠it added. Reporting by Harshita Mary Varghese in Bengaluru; Editing by Anil D'Silva Our Standards: The Thomson Reuters Trust Principles., opens new tab

Sam Altman's house hit with Molotov cocktail, OpenAI San Francisco headquarters threatened

A man was arrested for allegedly throwing a Mmolotov cocktail at OpenAI CEO Sam Altman's home and then threatening to burn down the artificial intelligence company's San Francisco headquarters on Friday, police said. An OpenAI spokesperson confirmed the attack in a statement and said, "Thankfully, no one was hurt." According to a post on X from the San Francisco Police Department, officers responded to a fire at Altman's North Beach residence after a suspect threw an "incendiary destructive device" at his home at around 4 a.m. The device caused a fire on an exterior gate and the suspect fled on foot. About an hour later, officers responded to a man threatening arson at the AI company's office, recognizing the person as the same suspect from the attack at Altman's home, according to the statement. Officers detained the 20-year-old male suspect and arrested him, with charges still pending. "We deeply appreciate how quickly SFPD responded and the support from the city in helping keep our employees safe," OpenAI said in its statement "The individual is in custody, and we're assisting law enforcement with their investigation."

Police arrest 20-year-old after Molotov cocktail thrown at Sam Altman's San Francisco home

In short: A 20-year-old man was arrested in the early hours of Friday, 10 April 2026, after throwing a Molotov cocktail at the San Francisco home of OpenAI chief executive Sam Altman, then travelling across the city to OpenAI's offices on Third Street and threatening to burn the building down. No one was injured. The suspect's name has not been released, charges are pending, and no motive has been publicly disclosed. At around 3:40 a.m. on Friday, a person approached the metal gate of 855 Chestnut Street, a 5,400-square-foot home on San Francisco's Russian Hill that Sam Altman purchased in January 2025, and threw a bottle containing a flaming rag at it. The improvised incendiary device set the gate alight. Security guards at the property extinguished the fire before it spread. No one was hurt. The incident was captured on surveillance cameras, and San Francisco Police Department officers arrived shortly after 4 a.m. responding to what the department initially described as a fire investigation. The property, a five-bedroom home built in 1924 set half a block from the famously crooked section of Lombard Street, was acquired by Altman through an LLC managed by his cousin Jennifer Serralta, according to property records and reporting by the SF Standard. It sits in one of San Francisco's most sought-after residential streets, and its proximity to the city's tech executive community has made the neighbourhood a shorthand for the industry's concentration of wealth. Less than an hour after the attack on Altman's home, San Francisco police were dispatched to OpenAI's offices on Third Street in the city's Mission Bay district after a man reportedly threatened to burn the building down. When officers arrived, they recognised the man from the surveillance footage captured at Chestnut Street and immediately detained him. The suspect is a 20-year-old male. The San Francisco Police Department has not released his name. As of Friday afternoon, charges had not been filed, and the department described the investigation as open and active. OpenAI confirmed the incidents in a statement from spokesperson Jamie Radice. "We deeply appreciate how quickly SFPD responded and the support from the city in helping keep our employees safe," Radice said. "The individual is in custody, and we're assisting law enforcement with their investigation." No motive has been publicly disclosed, and no connection between the suspect and any organised movement has been confirmed. Any such inference would remain speculation at this stage. The attack lands at a moment of extraordinary visibility and controversy for OpenAI and for Altman personally. On 31 March 2026, OpenAI closed a $122 billion funding round at an $852 billion valuation, the largest private fundraise in history, extending participation to retail investors for the first time. The round confirmed Altman's position as the most powerful figure in the AI industry and made OpenAI's scale a matter of daily public conversation. Four days before the attack, on 6 April, OpenAI published a 13-page policy blueprint calling for robot taxes, a public wealth fund, and a four-day week, a document framing approaching superintelligence as an economic disruption comparable to the Progressive Era. The paper drew widespread attention and sharp criticism from those who saw it as self-serving regulatory positioning from a company simultaneously driving the very displacement it proposed to cushion. OpenAI has also found its infrastructure facing threats on a global scale: Iran's IRGC threatened to destroy OpenAI's $30 billion Stargate data centre in Abu Dhabi in the event of US military action against Iranian civilian infrastructure, and OpenAI paused its Stargate UK data centre project citing industrial electricity prices four times higher than in the US and unresolved AI copyright rules. Friday's attack on Altman's home is something categorically different from a geopolitical threat or a regulatory battle, but it arrives inside the same climate of intense pressure around AI's concentration of power, capital, and ambition. Investigations into incidents of this kind frequently take days or weeks before a full picture of motive and circumstance emerges. SFPD confirmed the arrest and declined to provide further detail. OpenAI said it is cooperating with law enforcement. Altman has not commented publicly. The suspect remains in custody pending charges. What is established is the sequence of events: an incendiary device thrown at a private residence, a threat made at a corporate office, and an arrest made the same morning on the basis of surveillance evidence. What is not established is why. The backlash against AI's leading figures has taken many forms over the past two years, from lawsuits and regulatory hearings to street protests outside company headquarters. Whether Friday's attack belongs to any of those currents, or represents something altogether more isolated, is a question that remains open. 2025 established AI as the defining technology of the decade, and with that designation has come a level of public scrutiny and anger directed at its architects that the industry has not previously had to navigate at this scale.

Someone Just Threw a Molotov Cocktail At Sam Altman's House

Can't-miss innovations from the bleeding edge of science and tech San Francisco police say they've arrested a suspect who allegedly attacked the home of OpenAI CEO Sam Altman and then made threats outside the company's headquarters. At around 3:43 am on Friday, officers responded to a report of a person throwing an incendiary weapon at the home of a CEO, San Francisco Chronicle reported, which was later identified as Altman's. A suspect, whose identity has not been released, was later arrested. No one was hurt. OpenAI's security team alerted employees about the apparent attack, Wired reported. "At approximately 3:45 am PT, an unidentified individual approached Sam's residence and threw an incendiary device toward the property," the security team's note to staff reads. "The device landed nearby and extinguished. There were no injuries and only minimal damage was reported." "Shortly afterward, an individual matching the suspect's description was contacted by security outside MB1," it continues, referring to the company's HQ in the Mission Bay neighborhood. "This person made threatening statements about the building." In a statement to Wired, an OpenAI spokesperson described the incendiary weapon as a Molotov cocktail. "Early this morning, someone threw a Molotov cocktail at Sam Altman's home and also made threats at our San Francisco headquarters. Thankfully, no one was hurt," the spokesperson said. "We deeply appreciate how quickly SFPD responded and the support from the city in helping keep our employees safe. The individual is in custody, and we're assisting law enforcement with their investigation." Security are keeping on their toes. Though the headquarters remains open, the security team informed staff that employees may notice an increased police and security presence around the building on Friday, and employees were cautioned to "not let anyone tailgate into the building," per Wired. The alleged attack comes after heightened backlash against OpenAI for Altman's agreement with the Department of Defense to deploy its AI systems across the military. The company has periodically faced protests outside its headquarters, including one last month. In November, its San Francisco office went on lockdown after it allegedly received a violent threat from an activist.

Suspect Arrested After Molotov Cocktail Thrown at Sam Altman's San Francisco Home - Decrypt

No one was injured, and police say the investigation remains ongoing. San Francisco police arrested a suspect early Friday after a Molotov cocktail was thrown at the home of OpenAI CEO Sam Altman. According to a report by NBC News, police responded to Altman's home in San Francisco's North Beach neighborhood around 4:12 a.m. PT after receiving a report of a fire. Investigators said an unknown man threw an incendiary device, causing a fire on an exterior gate before fleeing the scene. Police described the device as a Molotov cocktail or similar incendiary device. Officers later detained the suspect near OpenAI's headquarters after he allegedly threatened to burn down the building. When officers arrived, they recognized the individual as the same suspect from the earlier incident and detained him. According to reports, the police did not name the suspect but described them as a 20-year-old man. Authorities said charges are still pending and the case remains an active investigation. "Early this morning, someone threw a Molotov cocktail at Sam Altman's home and also made threats at our San Francisco headquarters," an OpenAI spokesperson told Decrypt. "Thankfully, no one was hurt. We deeply appreciate how quickly SFPD responded and the support from the city in helping keep our employees safe." OpenAI is assisting law enforcement with their investigation, they added. The attack comes amid a rise in threats tied to artificial intelligence development, including a recent case in Indiana where shots were fired into the home of a city council member who supported building a data center, with a note left at the scene reading, "No data centers." Altman has not publicly commented on the incident, and authorities said the investigation remains ongoing. The incident follows another security scare in November reported by Wired, in which OpenAI locked down its San Francisco offices after receiving a violent threat linked to an anti-AI activist who had previously visited the company's facilities and was suspected of planning harm against employees.

OpenAI CEO's California home hit by Molotov cocktail, man arrested

San Francisco (United States) (AFP) - The luxury San Francisco home of OpenAI boss Sam Altman was hit by a Molotov cocktail on Friday, the company said, as police announced the arrest of a suspect. No one was injured in the incident, and the firm behind the popular ChatGPT artificial intelligence chatbot would not confirm if the CEO was home at the time. The motive for the attack, and subsequent threats to set fire to OpenAI's San Francisco headquarters -- apparently by the same man -- were not immediately known. But they come as Altman's profile has risen with the increasing use of AI both in the workplace and in the US military, amid fears it could massively disrupt employment patterns and cause irreversible societal changes. Police in San Francisco, a hub for tech development, said they had responded after reports that someone had tried to set fire to a gate at the sprawling home. A statement from the San Francisco Police Department said officers were dispatched to the home just after 4:00 am (1100 GMT). "At the scene, officers learned that an unknown male subject threw an incendiary destructive device at a home, causing a fire to an exterior gate. The suspect then fled on foot," SFPD said. A short time later they were called to the firm's offices where a man was making threats. "When officers arrived on scene, they recognized the male to be the same suspect from the earlier incident and immediately detained him," the statement said. The man they arrested has not been named, but police said he was 20 years old. A spokesman for OpenAI confirmed the attack on the chief executive's residence and the threats to the San Francisco headquarters. "We deeply appreciate how quickly SFPD responded and the support from the city in helping keep our employees safe," the spokesman told AFP. "The individual is in custody, and we're assisting law enforcement with their investigation." Altman and OpenAI have become targets for people protesting AI as a threat to humans. Protesters have been particularly troubled by OpenAI's decision to provide its technology to the US Department of Defense. OpenAI last month said it was valued at $852 billion after a funding round that raised $122 billion. The figure reflects the surging costs of computing power and came amid lingering questions about whether OpenAI and rival companies can generate sufficient revenue to cover expenses. ChatGPT claims the top position in consumer AI, with more than 900 million weekly active users and some 50 million subscribers. Use of ChatGPT's online search engine has tripled over the course of a year, according to OpenAI.

Suspect arrested after Molotov cocktail attack at OpenAI CEO Sam Altman's home - The Economic Times

San Francisco police arrested a person for allegedly throwing a Molotov cocktail at OpenAI CEO Sam Altman's home and for making threats outside the artificial intelligence startup's headquarters, the company said on Friday. In a post on X, the San Francisco Police Department said ⁠an unknown male ⁠threw an incendiary device at a North Beach residence at 4:12 AM and then escaped on foot. The 20-year-old suspect was detained about an hour later after police received a call about a man threatening to burn down another building. Police did not immediately comment on the suspect's potential motive. "Thankfully, no one was hurt. We deeply appreciate how quickly ⁠SFPD responded and the support from the city in helping keep our employees safe," an OpenAI spokesperson said. The company is ⁠assisting law enforcement agencies with their investigation, the spokesperson added. The incident came as OpenAI faces intense pressure. The company recently faced backlash over its move to strike a deal with the US government to let it use its technology in classified military operations, after rival Anthropic and Washington got into a dispute. A recent NBC News poll found that AI is less popular than US Immigration and Customs Enforcement. Altman addressed the incident in a blog post published on Friday afternoon. "A lot of the criticism of our industry comes ⁠from sincere concern about the incredibly high stakes of this technology," he wrote. "While we have that debate, we should de-escalate the rhetoric and tactics and try to have fewer explosions in fewer homes, figuratively and literally," he later added. San Francisco police said officers investigating the fire at Altman's house found signs that the 20-year-old was involved.

Sam Altman Confirms Molotov Cocktail Incident and Responds to "Incendiary" New Yorker Investigation

Close Encounters at 50K Feet? Kacey Musgraves Alleges UFOs Followed Her Plane San Francisco police arrested an individual on Friday after they allegedly threw a Molotov cocktail at the home of OpenAI's Sam Altman and made threats outside his company's headquarters. No injuries were reported, per OpenAI, which confirmed the incident in a statement, adding, "We deeply appreciate how quickly SFPD responded and the support from the city in helping keep our employees safe. The individual is in custody, and we're assisting law enforcement with their investigation." Hours later, Altman himself confirmed the incident by way of a personal blog post seemingly sparked by both the shock of the Molotov incident and his headline-making week in the wake of a damning investigation by Ronan Farrow and Andrew Marantz in The New Yorker. "Images have power, I hope. Normally we try to be pretty private, but in this case I am sharing a photo in the hopes that it might dissuade the next person from throwing a Molotov cocktail at our house, no matter what they think about me," Altman wrote in opening the blog post, which featured a photo of husband Oliver Mulherin and their child. "The first person did it last night, at 3:45 am in the morning. Thankfully it bounced off the house and no one got hurt." "Words have power too," Altman continued. "There was an incendiary article about me a few days ago. Someone said to me yesterday they thought it was coming at a time of great anxiety about AI and that it made things more dangerous for me. I brushed it aside. Now I am awake in the middle of the night and pissed, and thinking that I have underestimated the power of words and narratives. This seems like as good of a time as any to address a few things." Altman then turned his attention to "what I believe," some personal reflections and more thoughts about the AI industry at large, including artificial general intelligence. He covered a lot of ground in the post, writing up top that not all will "go well" as the AI industry continues to roll out it's world-shifting tools. As such, "the fear and anxiety about AI is justified; we are in the process of witnessing the largest change to society in a long time, and perhaps ever. We have to get safety right, which is not just about aligning a model -- we urgently need a society-wide response to be resilient to new threats. This includes things like new policy to help navigate through a difficult economic transition in order to get to a much better future." To get there, he writes that "AI has to be democratized; power cannot be concentrated," and that it isn't right for only a few AI labs to make "the most consequential decisions about the shape of our future." Altman also acknowledges his issues with the OpenAI board -- the founder was fired only to be re-hired following an investigation -- and apologizes for his past behavior. "I am not proud of handling myself badly in a conflict with our previous board that led to a huge mess for the company. I have made many other mistakes throughout the insane trajectory of OpenAI; I am a flawed person in the center of an exceptionally complex situation, trying to get a little better each year, always working for the mission. We knew going into this how huge the stakes of AI were, and that the personal disagreements between well-meaning people I cared about would be amplified greatly. But it's another thing to live through these bitter conflicts and often to have to arbitrate them, and the costs have been serious. I am sorry to people I've hurt and wish I had learned more faster," he writes. That said, he is "extremely proud" of being able to now deliver on the company's mission. "Against all odds, we figured out how to build very powerful AI, figured out how to amass enough capital to build the infrastructure to deliver it, figured out how to build a product company and business, figured out how to deliver reasonably safe and robust services at a massive scale, and much more. A lot of companies say they are going to change the world; we actually did."