What happens in this video ?
September 27th 2018 - This Dassault Falcon 50 business jet, operated by Air American Flight Services, overran the end of the runway during its landing at Greenville, South Carolina, USA. This security video captured the airplane's touchdown. It shows the plane overrunning the runway at high speed and then went over an embankment. Both flight crew members were killed, and both passengers received serious injuries.
See here more information about this Dassault Falcon 50 accident.