Britain needs a long-term plan is tackle “criminal outrages by gangster regimes,” a former military chief has said. Lord Stirrup made the call at Westminster as he argued that the “egregious act” of Belarus forcing the diversion of a passenger jet to arrest a journalist and prominent government critic was not an isolated incident. The independent crossbencher, who led the armed forces as chief of the defence staff from October 2006, highlighted the “murderous attacks with vile poisons” on UK soil as well as cyber interference in the nation’s political processes, which have been blamed on the Kremlin. Former Russian spy Alexander Litvinenko died in 2006 after drinking tea laced with radioactive polonium-210, while the Salisbury chemical weapons attack in 2018 killed Dawn Sturgess. Lord Stirrup’s comments came after the detention of Roman Protasevich following what has been branded a “state-sponsored hijack.” He was on board a Ryanair flight from …