消息人士称，目前没有嫌疑人被拘留。警方消息人士告诉美国广播公司新闻，周四在华盛顿特区至少有四人中枪。大都会警察局表示正在应对一名活跃枪手。
No suspect is in custody, the sources said. At least four people have been shot in Washington, D.C., on Thursday, police sources told ABC News. The Metropolitan Police Department said it is responding to an active shooter.
警方在社交媒体帖子中写道：“紧急警报：大都会警察局正在西北区第15街和P街附近应对一起活跃枪击事件。大都会警察局应急响应小组已到达现场。”
"CRITICAL ALERT: MPD is on the scene of an ACTIVE SHOOTING in the area of 15th and P Street, Northwest. MPD's Emergency Response Team is on scene," police wrote in a social media post.
一名美国官员告诉美国广播公司新闻，国民警卫队士兵正在协助封锁该地区周边。该官员表示，没有警卫队成员受伤或参与交火。
National Guard troops are helping secure a perimeter of the area, a U.S. official told ABC News. No guardsmen have been injured or engaged, the official said.
据一名消息人士透露，美国烟酒枪炮及爆炸物管理局（ATF）正前往现场。
The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is headed to the scene, according to a source. This is a breaking story. Please check back for updates.