Waupaca County Circuit Court has issued a warrant for the arrest of Chad R. Schweitzer, 22, New London.
Schweitzer is charged with felony substantial battery.
On June 9, New London Police Officer Ben Schmidt was dispatched to the 200 block of West Spring Street.
When he arrived, he found a man seated on the ground with cuts and abrasions to his face, forehead and back of his head.
Witnesses said Schweitzer punched the man, then continued hitting him in the head after he fell down to his knees. They told Schmidt that the man blacked out and had seizures.
He was taken to the hospital in New London for treatment of a concussion and other injuries.