A downed aircraft near Cross Keys Airport in Williamstown, New Jersey, has prompted a "mass casualty incident," Gloucester County Emergency Management said Wednesday. The officials added, "Please avoid the area to allow emergency vehicles the best access!"

The skydiving aircraft Cessna 208B overshot the runway at Cross Keys Airport, approximately 33.8 kilometers southeast of Philadelphia. Local administration is calling it a 'mass casualty incident'

Officials have said that several were injured in a plane crash in Williamstown. The single-engine plane went down about 5:30 p.m. near Cross Keys Airport, ABC6.com reports . The TV station reports that 14 people were on the plane and helicopter footage shows a line of ambulances and emergency vehicles lined up at the scene.