OLYMPIA, Wash. -- Detectives and the coroner's office are investigating the death of a man who suffered "obvious signs of trauma," Olympia police said.

The body of a middle-aged man was found at the Olympia bus station at about 2:30 a.m. Tuesday, police said.

Police said they do not know the man's identity.

They asked anyone with information about the case to call the police department at 360-753-8400 or 360-753-8205.