A UK government minister on Wednesday reopened the dispute over support for troops in Afghanistan by insisting they had insufficient helicopters. Foreign Office minister Lord Malloch-Brown, who is resigning from the government later this week, said: “We definitely don’t have enough helicopters,” adding that “mobility” was vital for operations in southern Afghanistan, where British troops are battling a resurgent Taliban. Malloch-Brown also questioned Prime Minister Gordon Brown’s claim that the war was being fought to prevent Afghan terrorists carrying out attacks on Britain