A ceremony has taken place in Orkney to commemorate what is regarded as one of the most remarkable feats of marine salvage ever achieved.

Ernest Cox masterminded the recovery of 34 ships of the German fleet sunk by their crews in the waters of Scapa Flow at the end of WWI.

Lauded by the media of the day, his work is now all but forgotten.

Relatives unveiled a special plaque at Lyness, where the salvage operations were based, as a reminder....