Police seek suspect accused of threatening worker in Naperville

Naperville and Warrenville police are searching for a man suspected of threatening an employee with a BB gun Wednesday afternoon in an office building, authorities said.

No one was injured when the threat was reported about 1 p.m. from an office on the 1800 block of North Mill Street in Naperville, police said.

The suspect last was seen running west wearing a beige winter coat, police said. He is described as a white man in his late 30s who stands about 5 feet 8 inches tall with a medium build.

Police said they recovered a BB gun during their preliminary investigation, but the suspect remained at large late Wednesday afternoon.