Human remains found in landing gear of military flight from Kabul: US Air Force

In a statement, the Air Force said that the aircraft landed at Kabul's airport on Monday and was surrounded by hundreds of Afghan civilians.

The US Air Force said on Tuesday that it was investigating the circumstances surrounding human remains that were found in the wheel well of one of its C-17s that flew out of Kabul amid the chaos of the Taliban taking over the city.

The plane safely evacuated some 640 Afghans from Kabul late Sunday, according to US defense officials contacted by Defense One. (AFP)

In a statement, the Air Force said that the aircraft landed at Kabul's airport on Monday and was surrounded by hundreds of Afghan civilians.

"Faced with a rapidly deteriorating security situation around the aircraft, the C-17 crew decided to depart the airfield as quickly as possible," the statement said.