A pile of people. Blood everywhere. Screams.

　　Nine people were taken to area hospitals with minor injuries after an escalator malfunctioned at the Back Bay MBTA station Sunday evening, officials said.

　　The incident happened shortly before 6 p.m. on an escalator from the Amtrak and commuter rail platform to the station’s street-level lobby, said Joe Pesaturo, an MBTA spokesman.

　　Boston EMS sent multiple ambulances to the scene and transported nine patients to area hospitals, the agency said on Twitter.

　　Transit Police and the Boston Fire Department also responded to the scene, Pesaturo said.

　　“The escalator will remain out of service while the incident is thoroughly investigated,” he said.

　　Massachusetts Bay Transportation Authority馬薩諸塞州海灣交通管理局MBTA，又稱大都會捷運(yùn)局MTA，是波士頓公共運(yùn)營巴士 ，地鐵 ，通勤火車和輪渡最大的運(yùn)輸管理部門。

　　官方通報稱：傷者受傷并不嚴(yán)重，自動扶梯故障原因正在進(jìn)一步調(diào)查中。