Tip-off nets pounds 83m haul.
Spanish officers in riot gear s torme d t he UK-f l ag ged La Flibuste 120 miles off the coast of Cadiz after tailing it from the Caribbean.
A ton and a half of cocaine was removed from the boat af ter being found in a false roof inside a cabin.
The smugglers are believed to have picked up the haul in Trinidad and Tobago. A Spaniard and two Frenchmen were arrested.
The huge seizure was the culmination of a joint operation betwe en Br i t a in's Ser ious Organised Crime Agency and Spanish cops.