Harrisburg police said a school bus employee was injured when a large fight broke out among students Tuesday afternoon.
The employee was struck in the chest and sought medical attention at a local hospital, police said.
The students involved in the fight fled as officers were arriving at S. 13th and Walnut streets, police said.
The investigation is ongoing and charges are pending.
Anyone with information may call Harrisburg police at 717-255-3170 or 717-255-3158.