YouTube shooting: Video shows moment police sprint into firm's HQ after gunwoman injures four

http://www.independent.co.uk/news/world/americas/youtube-hq-shooting-police-san-bruno-video-california-video-a8287496.html

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This is the moment police raced into the YouTube headquarters following a shooting on the campus.

Officers were seen running into the building in San Bruno, California, after reports of an active shooter.

The five second clip was posted on Snapchat and shared online using the social network's maps service.

Police later confirmed that one woman died following the shooting with a self inflicted gun wound.

Follow The Independent's live blog for the latest updates on this developing story,