United Airlines flight UA328 returns to Denver International Airport with its starboard engine on fire after it called a mayday alert, over Denver, Colorado, February 20, 2021. The Boeing 777-200 plane, with 231 passengers and 10 crew on board, landed safely at Denver International Airport after its right engine failed, scattering debris on the ground below. (Photo by Hayden Smith/@speedbird5280/Handout via Reuters)
