A man told police he was attacked from behind and robbed on the first block of West Church Street early Sunday, the Hagerstown Police Department said.
Police said the victim, whose name and age were not released, was struck on the head from behind at about 1 a.m. Police said the victim reported that cash was stolen from him while he was unconscious.
Police said the victim sustained a minor head injury.
Police ask that anyone with additional information call 301-790-3700.
