Authorities investigating Naperville bank robbery

The FBI and Naperville police are hunting for a man who escaped with an undisclosed amount of cash after robbing a BMO Harris Bank, officials said.

Authorities said the robber entered the bank at 1795 S. Washington St. at 10:16 a.m. Thursday and fled with the cash. No one was injured, and the investigation is ongoing.

The suspect is a white man with short brown hair who is between 5 feet 9 inches and 6 feet tall, officials said.

Anyone with information about the identity of the suspect is asked to call the Chicago office of the FBI at (312) 421-6700.