The helicopter carrier left its home port of Portsmouth at as part of Exercise Cougar.

BBC: HMS Illustrious

She said she returned from holiday 12 years ago to discover the bell had been removed by helicopter and stored by Bristol Port Company.

BBC: Battery Point lighthouse

Coastguard teams from Porthcawl and Port Talbot, a rescue helicopter from Chivenor, Devon and a police helicopter were also taking part.

BBC: Hunt for teenager missing in sea