1988: Piper Alpha oil rig disaster
A fire on a North Sea oil rig kills 167 people on 6 July 1988.
A series of explosions rip through the Piper Alpha drilling platform, 120 miles (193km) off the north-east coast of Scotland.
Sixty one people survive, some by jumping 175ft (53m) from the rig's helicopter deck into the sea.
BBC Archive: This BBC News report was originally broadcast on 7 July 1988.