San Francisco police arrested a 20-year-old man early Thursday after he allegedly threw a Molotov cocktail at OpenAI CEO Sam Altman's North Beach residence. The suspect later threatened to burn down OpenAI's headquarters before his capture. No injuries were reported in the incident.
San Francisco Police Department officers responded to a fire investigation call in the North Beach neighborhood around 4:12 a.m. PT on April 10. At the scene, they learned that an unknown man had thrown an incendiary device, identified as a Molotov cocktail, at a home, igniting a fire at an exterior gate. The suspect fled on foot, according to an SFPD statement shared on X. Officers arrested him about an hour later while investigating a separate complaint at OpenAI's San Francisco headquarters, where the same man had threatened to burn down the building. SFPD confirmed the arrest and noted no injuries occurred. View our latest statement regarding an incident that occurred early this morning at a North Beach residence. Officers have made an arrest, and no injuries were reported as a result of this incident. pic.twitter.com/t4DsF31uxh — San Francisco Police (@SFPD) April 10, 2026 An OpenAI spokesperson told Wired, “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. 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.” OpenAI's corporate security team also notified employees about the incident.
