KING

ENUMCLAW, Wash. - Police in Enumclaw said they were investigating an unexplained death Sunday afternoon and that there were "suspicious circumstances."

Witnesses say a truck pulled up outside state patrol office in Enumclaw and it wasn't clear if the driver was looking for help.

There appeared to be a deceased man's body in the back of the truck on an air mattress, according to witnesses.

That patrol office is not usually staffed

Highway 164, which cuts through Enumclaw, was closed off for about a block Sunday evening while police diverted traffic.