An active shooter has been reported to be inside of the headquarters of the video posting giant YouTube whose offices are located in  San Bruno, California. San Bruno PD is warning citizens of police activity in the area around 901 Cherry Avenue and asking people to “please stay out of the area.”

YouTube employee Vadim Lavrusik posted on Twitter that he was hearing shots and had taken refuge in a locked room with an undisclosed number of other YouTube employees.

“Active shooter at YouTube HQ. Heard shots and saw people running while at my desk. Now barricaded inside a room with coworkers.”

Just 8 minutes later Vadim Lavrusik again Tweeted “Safe. Got evacuated it. Outside now.”

He was immediately accosted on Twitter by a reporter from an online journal (Not it) about giving an interview to that reporter on the situation inside the building but Lavrusik replied, “If you’re a friend in news, I know you are doing your job and appreciate you reaching out to check if I’m okay but the last thing I want to do is an interview right now. We are all shakin up.”

Authorities in San Bruno have confirmed the identity of the woman who walked into the corporate headquarters of YouTube as Nasim Aghdam; this according to ABC NEWS sources in San Bruno.

The female shooter was pronounced dead at the scene of a self-inflicted gunshot wound after a methodical search of the complex by San Bruno PD. Police officials have determined that the event was the result of an ongoing “domestic situation.”

*This is in line with what was known from the initial reports and from tweets on the internet at the time.

YouTube CEO John L. Flannery tweeted, “Our hearts go out to all those injured & impacted today. We will come together to heal as a family.” in response to a tweet from ABC NEWS. #Respect

San Bruno Police Chief Ed Barberini said the building has been evacuated, and that police investigators are expected to be on the scene “through the night,”

Sources also told ABC NEWS that Nasim Aghdam had two prior addresses in San Diego and in Riverside

According to, Chief Barberini, no fewer than four known victims of the shooting were transported to nearby hospitals. Three of them suffering from gunshot wounds, while the fourth victim, suffered an ankle injury.

At least four victims have been transported to area hospitals, Barberini said. Three of those victims sustained gunshot wounds, while the fourth victim suffered a non-life-threatening injury such as a broken or twisted ankle, he said.

Three people have been transported to Zuckerberg San Francisco General Hospital spokesman Brett Andrew told ABC NEWS reporters in a press conference.