![1 dead, 4 injured in shooting at YouTube headquarters(1/5)](http://www.ecns.cn/hd/2018/04/04/171da5a5e15b4ce4bb7e462dfae8646e.jpg)
San Mateo County SWAT team officers are seen near Youtube headquarters following an active shooter situation in San Bruno, California, U.S., April 3, 2018. (Photo/Agencies)
San Mateo County SWAT team officers are seen near Youtube headquarters following an active shooter situation in San Bruno, California, U.S., April 3, 2018. (Photo/Agencies)