A small medical jet carrying six people crashed in a Northeast Philadelphia neighborhood Friday evening, officials said, causing an explosion and setting several homes ablaze. It's unclear if anyone aboard survived.

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.

Officials said they could not yet confirm how many people may have died on the ground after the plane slammed into a heavily populated portion of the city.