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.

Authorities are searching for answers as to why a Learjet 55 medical plane fell out of the sky in a violent crash Friday over Northeast Philly.

A medical transport plane, carrying a child, her mother and four other people, crashed in Philadelphia Friday night near a busy mall, killing all aboard and resulting in an untold number of injuries on the ground.