A strange banging noise outside the plane led to chaos when an object hit a flight attendant’s arm, cutting it. As panic set in, prayers were offered by passengers. The incident on Azerbaijan Airlines Flight 8243 was described by two flight attendants and one passenger who witnessed the event.
Source: https://www.seattletimes.com/nation-world/world/a-strange-banging-sound-chaos-and-prayers-before-a-plane-crashes