1 officer injured, another killed in Pennsylvania shooting

CANONSBURG, Pa. -- A police officer is dead and a second officer was injured in a shooting in western Pennsylvania this morning.

The search is underway for the shooter right now in a residential area 20 miles southwest of Pittsburgh.

The shooting happened at about 4 a.m. Thursday in Canonsburg.

The officers were responding to some sort of domestic disturbance call and when they arrived, they were ambushed, according to police.

Canonsburg Mayor Dave Rhome tells radio station WJPA two officers were shot. The officers' names have not been released.

One officer was taken to a hospital in Canonsburg and the other was flown to a hospital in Pittsburgh.

Officials have not released details about what led to the shootings.

The Canon-McMillan School District and St. Patrick's School in Canonsburg both announced they're on a two-hour delay following the incident.