Carlisle police said several calls about a fight in the 400 block of N. Pitt Street were followed by a report of shots fired Sunday night.
A dark gray sedan that was reportedly involved was seen leaving the area, according to police, who said the sedan was stopped and all occupants were interviewed and cleared.
Officers searched the scene and recovered a 9mm casing under a vehicle in front of 447 N. Pitt.
A bullet hole was found in a house at 448 N. Pitt, but the round only pierced the home's siding, police said.
No one was injured.
Anyone with information is asked to call Carlisle police at 717-243-5252.