UPDATE: 3:58 p.m.
The Milwaukee County Sheriff’s Office confirms that investigators were checking for evidence after a report of shots fired on the freeway.
UPDATE: 3:44 p.m.
State Highway 175 has been re-opened after closing at State Street due to law enforcement activity.
The Wisconsin Department of Transportation says that State Highway 175 northbound is closed near State Street in Milwaukee.
Sheriff’s deputies were conducting law enforcement activity in the area at about 2:45 p.m. Monday, leading to the closure.
At that time, there was no confirmed word on what led up to the law enforcement activity.