A medical transport jet with a child patient, her mother and four others aboard crashed into a Philadelphia

shortly 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.