Jet company Philadelphia clears the victims of an ambulance accident
Six people, including a mother and daughter killed in a small plane crash in Philadelphia, were appointed by a medical transport planer.
The seventh sacrifice, which is not named, was on the ground during the accident.
Philadelphia Mayor Cherelle Parker has said that the number of injuries is still in the hospital and three of those in the critical condition.
Investigators said they could not find the black box of planes that could provide tips on the cause of the accident.
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