San Francisco police have arrested a 20-year-old man after a fire was set at the perimeter gate of OpenAI boss Sam Altman’s home. Police said the gate was set alight.

The suspect was detained after the incident, which took place at Altman’s property in San Francisco. No further details about the fire were given in the description.

Altman is the chief executive of OpenAI. Police did not say in the description why the home was targeted, and no other information about the suspect was provided.