The Learjet, carrying a pediatric patient and five others, crashed on Friday, killing all on board. On the ground, one person was killed and at least 19 others were injured, officials said.

Flight operator Jet Rescue Air Ambulance said in a statement that four crew members and two passengers were on the flight.

All crew and passengers in medical jet crash identified as crews search for voice recorder - Air ambulance flight crashed near Roosevelt Mall about 30 seconds after taking off from Northeast Philadelphia Airport,