The plane had reached about 1,500 feet before it plummeted to the ground in Philadelphia, NTSB Chairman Jennifer Homendy said. Homendy reported the air ambulance crash was classified as an

Mayor Cherelle Parker said five people are still hospitalized following a fatal medical jet crash in Northeast Philadelphia, three of whom are in critical condition.

The National Transportation Safety Board Chair Jennifer Homendy and senior investigator Ralph Hicks gave a news conference on Saturday about the medical plane that crashed in Philadelphia, killing at least 7 people. Officials are still looking for the black box from the aircraft.