On Tuesday, a shooter opened fire at the YouTube headquarters in San Bruno, California.
YouTube employees were eating lunch in an open-air courtyard at the time the shooter, who has been identified by police as a woman, entered. Three people were injured by gunfire.
Police arrived within five minutes of the shooting, according to local law enforcement, and found the shooter dead inside the building from a self-inflicted gunshot wound.
Business Insider reporters were on the scene in the aftermath of the incident, as YouTube employees and bystanders waited for police to sweep the area and ensure they were safe.
Here are the first photos from YouTube headquarters in the hours after the shooting.
Original author: Melia Robinson, Becky Peterson and Kaylee Fagan