Here's what we know about the seven people killed and 24 injured after a medial jet crashed in Northeast Philadelphia.

The Learjet, carrying a pediatric patient and five others, crashed on Friday, killing all on board. On the ground, one person was killed and at least 19 others were injured, officials said.

One of two pilots died on a private jet owned by Mötley Crüe singer Vince Neil after the aircraft veered off a runway in Arizona and hit a business jet, according to a Federal Aviation Administration incident report.

The plane that was landing is a Learjet owned by Mötley Crüe frontman Vince Neil, according to a representative for the singer. The jet had two pilots and two passengers, but Neil was not on board.