The world's worst offshore disaster was on the Piper Alpha rig in 1988 when 167 men died. Oil production has slowed in the past decade but new discoveries are still being made in the North Sea.

North Sea offshore workers have been evacuated from an oil rig off after a crash with a supply vessel. Harbour Energy said that 52 "non-essential personnel" had been taken off its Valaris 120 ...

Stuck out at sea oil rig workers drenched by waves the size of a building ... died after explosions aboard the Piper Alpha ...