BREAKING: Police responding to "active shooter" at YouTube headquarters in San Bruno, California, officials say. 
MORE: Police respond to active shooter at YouTube's California headquarters. abcn.ws/2Hbm3z6
MORE: Google: "We are coordinating with authorities and will provide official information here from Google and YouTube as it becomes available." abcn.ws/2Hbm3z6
LATEST: ATF responding to shooting at YouTube's headquarters in San Bruno, CA; FBI closely monitoring situation. abcn.ws/2Hbm3z6
LATEST: Stanford Health Care says it is treating 4-5 patients from shooting; no indications of their conditions. abcn.ws/2Hbm3z6
MORE: Nancy Pelosi "closely following developments from the active shooter situation at YouTube HQ." abcn.ws/2Hbm3z6
NEW: "The President has been briefed and we are monitoring the ongoing situation in San Bruno, CA," White House says. abcn.ws/2Hbm3z6
MORE: @SenFeinstein: "My stomach sinks with yet another active shooter alert. I’m praying for the safety of everyone at YouTube headquarters." abcn.ws/2Hbm3z6
LATEST: San Bruno police to make statement on YouTube shooting at 2:30 PT. abcn.ws/2Hbm3z6
JUST IN: Suspect in YouTube shooting is female, law enforcement sources confirm to @ABC. abcn.ws/2Hbm3z6
FBI on scene of shooting at YouTube headquarters in San Bruno, California. abcn.ws/2GOlHAF
MORE: San Francisco General Hospital has received three patients, one in serious condition, one fair, one critical. abcn.ws/2GOlHAF
NEW: Pres. Trump tweets on YouTube shooting: "Our thoughts and prayers are with everybody involved. Thank you to our phenomenal Law Enforcement Officers and First Responders that are currently on the scene." abcn.ws/2GOlHAF
NEW: Apple CEO Tim Cook: "From everyone at Apple, we send our sympathy and support to the team at YouTube and Google, especially the victims and their families." abcn.ws/2GOlHAF
LATEST: Two federal law-enforcement officials tell @ABC News that early indications point to the YouTube HQ shooting being the result of a domestic situation. They say the incident does not appear to be terror-related. abcn.ws/2q5IbT9
MORE: Federal law enforcement officials say probe is in its earliest stages and investigators certainly are not prepared to say they’ve reached final conclusions. abcn.ws/2q5IbT9
Google CEO on YouTube campus shooting: "We're doing everything we can to support" injured victims "and their families at this time." abcn.ws/2uPtvNw
Suspect in shooting at YouTube headquarters in San Bruno, California is believed to be a woman who was found dead from an apparent self-inflicted gunshot wound, police say. abcn.ws/2Gwc1LJ
NEW: San Bruno police chief says suspect in YouTube headquarters shooting was armed with a handgun. abcn.ws/2H9IGUg
The female suspect died of an apparent self-inflicted gunshot wound, authorities say. Of the four people injured, three of them suffered gunshot wounds.
The female suspect died of an apparent self-inflicted gunshot wound, authorities say. Of the four people injured, three of them suffered gunshot wounds.
NEW: VP Pence tweets on YouTube shooting: "Praying for the injured & their families. Grateful to ATF and all law enforcement & first responders who responded today and have been on the scene." abcn.ws/2GyOfe2
NEW: Two law-enforcement officials tell @ABC News:
-YouTube shooter's age is in the 35-40 range.
-She lives in Southern California.
-She has no apparent connection to YouTube.
-The person believed to be the intended target is in critical condition.
abcn.ws/2Jixju4
-YouTube shooter's age is in the 35-40 range.
-She lives in Southern California.
-She has no apparent connection to YouTube.
-The person believed to be the intended target is in critical condition.
abcn.ws/2Jixju4
Cellphone video shows SWAT team officers responding to today's shooting at YouTube HQ in San Bruno, California. abcn.ws/2GykYQB
Three people were wounded. Police say the suspect died of an apparent self-inflicted gunshot wound.
Three people were wounded. Police say the suspect died of an apparent self-inflicted gunshot wound.
YouTube CEO on today’s shooting: "Our hearts go out to all those injured & impacted today. We will come together to heal as a family." abcn.ws/2GyaLDX
JUST IN: Two law enforcement sources say authorities have preliminarily identified the YouTube shooter as Nasim Aghdam, a woman with previous addresses in the Southern California cities of Riverside and San Diego. abcn.ws/2JhV6uf
JUST IN: Police say there is no evidence YouTube shooting suspect knew the victims or that individuals were specifically targeted. abcn.ws/2Gzix02
Law enforcement sources previously said early indications pointed to the shooting being the result of a domestic situation.
Law enforcement sources previously said early indications pointed to the shooting being the result of a domestic situation.
MORE: Authorities in San Bruno, California say the shooter’s motive is still under investigation. abcn.ws/2Gzix02
