Investigators are examining the plane crash site in Philadelphia.

Aerial footage shows the wreckage scene as authorities collect evidence on Saturday morning, February 1. A deep crater on the ground was also visible in the video.

The Medevac plane carrying six people crashed into a residential area on Friday night. All on board were killed, along with an individual in a car on the ground.

At least 22 others were injured, with three reported to be in critical condition.

Authorities are currently working to determine the cause of the crash. They have recovered the recording device, commonly known as a black box, 8ft underground, along with an enhanced ground proximity warning system that may contain flight data.

The National Transportation Safety Board stated that both components will be sent to a lab in Washington, D.C., for evaluation.

The Learjet 55 aircraft exploded in a fireball when it plunged to the ground near homes.

Officials said the plane had been traveling to Springfield-Branson National Airport in Missouri before it lost control shortly after takeoff.

The jet, operated by Jet Rescue Air Ambulance, was transporting a young girl who had been receiving treatment, the company stated.