BEAVERTON -- Police early Friday were searching for multiple suspects who attacked a security guard.

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It happened around 3 a.m. at Sunset High School. A security guard was making his rounds and noticed the lights were off in the construction site on campus where they are supposed to stay on, police said.

The guard went to check on the situation and saw several guys run off.

Then, someone came up behind him and hit him over the head.

He’s expected to be alright.

Beaverton Police said that Guard did see one Hispanic man in his early 20s, bald about 5-foot-8 and very thin. He was wearing baggy blue jeans, white T shirt with horizontal stripes and white tennis shoes.

Detectives think there were two additional people there during the attack.