A suspect has been arrested for allegedly throwing a Molotov cocktail at Sam Altman’s home

San Francisco police arrested a suspect early Friday morning for allegedly breaking into OpenAI CEO Sam Altman’s home and making threats outside the company’s headquarters, a spokesperson confirmed to WIRED. OpenAI’s corporate security team sent a memo to employees about the incident on Friday.

« At approximately 3:45 a.m. PT, an unidentified individual approached Sam’s residence and threw an incendiary device onto the property. The device landed nearby and went off. No injuries were reported and only minimal damage was reported, » the statement to staff said.

« Shortly thereafter, a person matching the suspect’s description contacted security outside MB1, » the release continued, referring to OpenAI’s headquarters in San Francisco’s Mission Bay neighborhood. « This person made threatening statements about the building. »

OpenAI’s corporate security team told staff that it is cooperating with law enforcement to assist in the investigation, and that employees may see an increased police and security presence around the office on Friday. The security team said the company’s offices remained open but staff were advised “not to let anyone through the back door into the building.

« Early this morning, someone threw a Molotov cocktail at Sam Altman’s home and made threats to our headquarters in San Francisco. Fortunately, no one was injured, » OpenAI spokeswoman Kayla Wood said in an email to WIRED. « We deeply appreciate how quickly SFPD and the support from the city responded to help keep our officers safe. The individual is in custody and we are assisting law enforcement with their investigation. »

The San Francisco Police Department did not immediately respond to a request for comment.

This is a developing story. Please check back for updates.