1988: Clapham rail collision kills 35 people
Thirty-five people are killed after three trains were involved in a collision during morning rush hour in south London.
Two commuter trains carrying an estimated 1,300 passengers between them collided shortly after 08:00 GMT at Clapham Junction - Europe's busiest railway junction.
A third empty train later ran into the wreckage, killing some passengers who had survived the first crash.
Initial reports suggested 36 people had died, but this was later downgraded.
This BBC News report was first broadcast on 12 December 1988.