A woman opened fire with a handgun at the campus headquarters of the Youtube social media website near San Francisco Tuesday, wounding three before killing herself.

Police have not yet identified any of the victims or the shooter, but say they believe it was part of a domestic dispute.

A hospital spokesman in San Francisco says it is treating the wounded -- two women in fair condition and a man who was in critical condition as of late Tuesday.

San Bruno, California Police Chief Ed Barberini says officers rushed to the Youtube campus after receiving numerous 9-1-1 calls. He says the shooter is believed to have opened fire at an outdoor patio, where employees were enjoying lunch.

Workers inside the building tweeted that they heard gunshots and people running as they huddled in the offices for safety. One man said he saw drops of blood on the floor and in a stairway.

The shooter's body was found in the building. One of the wounded women managed to escape to a nearby fast food restaurant.

一名女子星期二在旧金山附近的社交视频网站YouTube总部园区持手枪打伤3人后自杀。

警方还没有确认这名女子以及三名受伤者的身份，但表示，他们认为枪击是家庭内部争吵所致。

旧金山一家医院的发言人说，该医院正在救治受伤者，其中两名女子伤势不重，一名男子直到星期二晚上仍然伤势危急。

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