While nearly 43 years old, the Learjet that crashed in a fiery, rush-hour explosion Friday night in Northeast Philadelphia is one of the workhorses in Jet Rescue’s medical transport fleet.

The Learjet 55 went down just after takeoff, creating what witnesses described as a massive fireball, shaking houses and leaving a chaotic street scene.

At least seven people were killed and 19 were injured when an air ambulance crashed into a busy Philadelphia intersection, officials said Saturday. The dead from Friday's accident include a child who had been receiving hospital treatment,

A Jet Rescue Learjet 55 ambulance aircraft crashed violently moments after takeoff from North Philadelphia Airport, killing all six occupants.

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.

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,