There are reports of an active shooter at You Tube in San Bruno right now. This is at 901 Cherry Ave and police are telling everyone to stay out of the area.
There are reports that the shooter is a woman but that is all of the information that we have.
ABC 7 News Bay Area has a live feed below.
Update: 1:33pm: They may have the shooter in custody. There have been multiple people shot in the chest but there are no reports of fatalities.
Update: 2:02pm: 2 ambulances have arrived at SF General hospital with victims. Stanford Hospital says they have received 4 to 5 patients from the shooting in their ER.
The shooting started at 12:52pm.