Soca officers confirmed last week that they have intensified their scrutiny of the links between Ibiza and the Costa del Sol, from where some of Britain's most wanted drug barons run their empires. Co-operation with Spain's Special Central Unit for Locating Fugitives (UCLF) has recently been stepped up. At least six suspected major British criminals have been arrested in the province of Malaga, including Brian Wright, who is alleged to have smuggled £300m of cocaine into Britain.