Passengers have been evacuated from a British Airways Boeing 777 after it was severely damaged while landing at London Heathrow.
More to follow...
Update 3: Photos of the Heathrow plane crash up on AirSpace
Video report courtesy of the Aviation Safety Network:
Video: Flight's Safety and Operations Editor David Learmount gives his experienced views on the Heathrow incident, plus there is a graphic detailing how the incident occured.