Police are responding to a report of a robbery at BMO Harris Bank in downtown Janesville.
The call was reported at 3:44 p.m. Thursday.
A Janesville police spokeswoman said no one is in custody as of 4:04 p.m.
Officers have closed several streets around the area and are keeping people out of the parking deck.
The Rock County Sheriff’s Office is assisting the Janesville Police Department at the scene.