Police are searching for an assailant who critically injured a 31-year-old man was who was napping in his Shoreline home Sunday evening.

Shoreline police and King County sheriff’s detectives are looking for a suspect in the beating that left a 36-year-old Shoreline man with serious head injuries. The victim is currently at Harborview Medical Center in critical condition.

The suspect, 23, is a housemate of the victim and a woman who was in the house at the time of the attack.

The injured man was taking a nap on a basement couch late Sunday afternoon when he was hit in the head several times with a table leg. The attack occurred about 6:15 p.m. Sunday. The two were in the basement of their house in the 500 block of Northwest 175th Court.

A motive for the attack is unknown at this time, said police.

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The woman, who wasn’t injured, woke to find the man with serious head injuries and called 911

Susan Gilmore: 206-464-2054 or sgilmore@seattletimes.com