(CNN) — Three officers were killed and two remain in critical but stable condition after a shooting Wednesday afternoon in rural central Pennsylvania, Pennsylvania State Police Commissioner Col. Christopher Paris said.

The shooting suspect is dead after being shot by police, officials said.

The shooting appears to have occurred while officers were serving a court order, a source familiar with the situation told CNN.

The incident unfolded shortly after 2 p.m., when 911 operators received calls about the incident in North Codorus Township in central Pennsylvania, about 2 1/2 hours west of Philadelphia.

Police were dispatched to Haar Road in Spring Grove, a heavily agricultural borough of York County dotted with small barns and sprawling farm land.

A medevac helicopter was spotted in on

See Full Page