A 14-year-old boy was in critical condition Saturday night after he was shot in the back of the head in the city’s Kingsessing section, police said.

The teenager, who was not identified, was shot once shortly after 7 p.m. on the 5700 block of Willows Avenue, according to police. Officers took him to Penn Presbyterian Hospital, where he was later listed in critical condition.

There were no arrests, and no weapon was found. Police were investigating the scene on Saturday night.