Shots have reportedly been fired near the YouTube headquarters in San Bruno, northern California.
According to their Twitter account, the San Bruno police have responded to a possible shooter and have warned the public to stay out of the area.
Ambulances are also reportedly at the scene.
In a Twitter thread, YouTube product manager Todd Sherman shared a thread of messages, saying they first thought it was earthquake and people began running out of their meetings, before reaching the exit, and being told someone has a gun. See his tweets below:
Vadim Lavrusik, who was also working at that facility, wrote on Twitter that hat he heard shots and saw people running while at his desk before barricading himself inside a room with other coworkers.
We will update this story as soon as more information is available.
SOURCE: BBC | IMAGE CREDIT: Getty