Six people, including a mother and her daughter, who were killed in a small plane crash in Philadelphia have been identified by the company operating the medical transport jet.A seventh victim, who was not named,

It could be days — or more — until authorities are able to confirm the number of dead and injured, said Adam Thiel, the city's managing director. As of Saturday morning, officials confirmed seven dead — six on the jet, one person on the ground — and 19 injured.