OpenAI CEO Sam Altman's Russian Hill residence was targeted in a second attack on Sunday, with two suspects arrested following a reported shooting incident.

A 20-year-old was arrested after allegedly throwing a Molotov cocktail at Sam Altman's San Francisco home and making threats outside OpenAI's headquarters.

Anthropic secures 420,000 sq ft at 300 Howard St in largest SF office deal since pandemic, signaling confidence in AI sector growth.