A medical transport jet with a child patient, her mother and four others aboard crashed into a Philadelphiashortly after takeoff Friday evening, exploding in a fireball that engulfed several homes.

Jet Rescue Air Ambulance, which operated the Learjet 55, said in a statement: “We cannot confirm any survivors.

There was no immediate word whether anyone on the ground was killed.All six people aboard were from Mexico. The child had been treated in Philadelphia for a life-threatening

condition and was being transported home, according to Jet Rescue spokesperson Shai Gold. The flight’s final destination was to have been Tijuana after a stop in Missouri. VIDEO BELOW WARNING GRAPHIC