Washington DC [United States], April 4 (NT): The woman who opened fire in which three people at YouTube headquarters in Northern California's San Bruno area before shoot herself has been identified as 38-year-old Nasim Aghdam as ANI reported.

“We know very, very little right now, and we probably won't know more until tomorrow morning," CNN reported, citing San Bruno Police Chief Ed Barberini as saying.

Four civilians got wounded after a female gunman shoot in an outdoor courtyard and then died after shooting herself.

Three victims, injured in the incident have been admitted to the San Francisco General Hospital and one is reportedly in a critical condition.

According to media reports, the United States law enforcement agencies are inspecting the shooting incident as a 'domestic dispute'.

US President Donald Trump on Wednesday offered his “Condolences, thoughts and prayers".

President Trump took to his Twitter account to report  that rescue teams and law enforcement officers have reached the site of the shooting.

"Was just briefed on the shooting at YouTube's HQ in San Bruno, California. 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", President Trump tweeted.(NT)