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.

Investigators have also located the aircraft's black box, CBS reports. It could provide clues into the cause of the crash.

Jet Rescue Air Ambulance said it was unlikely anyone on board survived the crash Friday. One person who was in a car was also killed.

Three U.S. Army soldiers were onboard a BlackHawk helicopter that collided with a passenger jet near Ronald Reagan Washington National Airport, U.S. officials said on Wednesday.

Family members of the victims of the plane crash in Washington, D.C., visited the crash site on Sunday morning. Dozens of the victims' loved ones could be seen gathered by the Potomac River to commemorate the 67 people killed in the deadly midair collision last week.

Families of victims of the deadliest U.S. air disaster in a nearly in 25 years visited the crash site just outside Washington, D