At least four police officers were killed by snipers while on duty guiding protests in the US.
The incident occurred at 8:45 p.m. on July 7 (US time) during a peaceful protest in Dallas, Texas, USA. In the photo, Dallas police block off the Greyhound bus station after snipers opened fire.
Dallas officials say at least four police officers have been killed. The suspects may be two snipers who attacked 11 officers.
Dallas police dispatched emergency responders to the scene. A suspect whose photo police posted has come forward.
Dallas police officers comfort a resident at the entrance to the emergency room at Baylor University Hospital in Dallas. Dallas officials said it appeared the officers were shot from behind.
A shopping mall is surrounded by police. The suspected sniper is believed to have been hiding at a high point and then aimed at the police. US media speculated that the shooting may be related to the deaths of two black men by US police in the past two days.
Dallas police hide behind cars in the Lamar Mall. Comments on Twitter from US residents say they feel very scared.
Witnesses at the scene said at least 30 shots were fired. There were no reports of civilian casualties other than police. Videos of the scene shared on Twitter showed the protest was initially peaceful. Chaos broke out after the shots rang out.
Dallas police stopped a suspicious vehicle after a colleague was shot dead by a sniper. The Dallas police bomb squad also responded to the scene on suspicion that the gunmen may have planted a bomb.
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