LIVE UPDATES: Suspect dead, several injured in YouTube HQ shooting

SAN BRUNO, Calif. — Police in California said they believe the suspect in a shooting at YouTube's headquarters in San Bruno is dead.

Authorities said they were called to the campus in 901 Cherry Avenue around 3:48 p.m. Eastern.

Four victims, ranging in injuries from fair to critical were found and were transported to local hospitals. Police said the woman believed to be the shooter was dead of a self-inflicted gunshot.

Late Tuesday night, authorities identified the shooter as Nasim Aghdam. We've learned she apparently had a channel on the platform and a website with a manifesto criticizing the tech company over censorship and demonetization of her video content.

7:20 p.m.: 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.

6:55 p.m.: A YouTube employee says she saw a woman open fire at the company's headquarters in Northern California.

Dianna Arnspiger said she was on the second floor Tuesday when she heard gunshots, ran to the window and saw a woman firing a gun on a patio below.

Arnspiger says she called out, "Shooter!" and everybody started running.

She and others hid in a conference room for an hour while someone called 911 repeatedly for updates.

She says, "it was terrifying."

6:30 p.m.: San Francisco General Hospital official says they have received three patients after YouTube campus shooting, 2 females and 1 male. The patients range from fair to critical condition.

6:05 p.m.: 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."

5:50 p.m.: President Trump tweeted that his "thoughts and prayers" are with those involved in the shooting.

5:39 p.m.: San Bruno police said it appears the female shooting suspect died of a self-inflicted gunshot wound. Four other victims were injured.

5:34 p.m.: Zuckerberg San Francisco General Hospital said it has received three patients: One woman in fair, one woman in serious condition and one man in critical condition.

5:27 p.m.: California Rep. Jackie Spears tweets she is "shocked and saddened" by the shooting at YouTube's HQ.

5:16 p.m.: ABC News reports President Trump has been briefed on the "ongoing situation" at YouTube's headquarters.

4:54 p.m: ABC News reports that Stanford Health Care confirms 4-5 patients from the shooting are being treated there. There is no word on conditions at this point.

4:45 p.m.: The ATF San Francisco Field Division tweets it is responding to the scene.

4:40 p.m.: Google, which owns YouTube, says officials are coordinating with local authorities.

Cox Media Group