当局称，芝加哥警方在接到市中心一座联邦大楼外有人开枪的报警后，将一名男子拘留。
Authorities say police in Chicago took a person into custody after responding to a report of someone firing shots outside a downtown federal building.
芝加哥 —— 当局表示，周二凌晨，芝加哥市中心一座联邦大楼外发生枪击，警方将一名男子拘留。
CHICAGO — Police in Chicago took a man into custody after shots were fired outside a downtown federal building early Tuesday, authorities said.
国土安全部在一份声明中说，无人受伤，联邦财产仅受到轻微损坏。
No one was injured and there was only minor damage to federal property, the Department of Homeland Security said in a statement.
一名保安报告称，克鲁钦斯基联邦大楼附近有枪手活动，警方和联邦特工随即在夜间赶往芝加哥市中心环形区。
Police and federal agents responded to Chicago’s downtown Loop district overnight after a security guard reported there was an active shooter near the Kluczynski Federal Building.
这座办公大楼内设有多个联邦机构，包括美国国税局、社会保障局和劳工部。伊利诺伊州联邦参议员迪克·德宾和塔米·达克沃斯也在该大楼设有办公室。目前尚不清楚嫌疑人是否以该大楼为目标，其动机也尚不清楚。芝加哥警方表示，他们缴获一支枪支，指控尚在审理中。
The office tower is home to a number of federal agencies including the IRS, the Social Security Administration, and the Labor Department. Illinois U.S. Sens. Dick Durbin and Tammy Duckworth also have offices there. It was not immediately known whether the suspect was targeting the building or what his motive might have been. Chicago police said they recovered one firearm and that charges were pending.