Police say a State College man was unprovoked when he struck another man in the face with a rock.

Kahlil Gilyard, 37, was charged with misdemeanor simple assault and summary harassment stemming from an alleged incident outside of Parkway Plaza apartments in December.

At about 4 a.m. on Dec. 4, State College Police responded to a report of a possible assault. A responding officer allegedly saw a man matching the description of the suspect running toward Westerly Parkway. Police say the man continued running despite being ordered to stop. According to the criminal complaint, the suspect's pants were falling down and the officer eventually caught up to him. He allegedly ignored multiple commands to remove his hands from his pockets and get on the ground, until the officer unholstered his taser.

Witnesses reportedly told police that Gilyard was outside the apartment building and asked them if they wanted to buy something, though they were not sure what. Gilyard allegedly became agitated and flicked a cigarette toward them.

Police say that for unknown reasons, Gilyard then picked up a rock, struck one of the men in the face with it, then ran off. The alleged victim had an injury to his face and was believed to have suffered a concussion.

Asked why he hit the man with a rock, Gilyard allegedly said "that the group of people freaked him out, he was intimidated and thought they were going to hurt him," according to the complaint. He reportedly said no one in the group touched him or physically provoked him.

Gilyard was arraigned by summons on Monday. A preliminary hearing is scheduled for Feb. 15.