British troops could fire on Russian forces if they come under attack in Ukraine while operating as peacekeepers, Western officials have said. Western troops deployed to Ukraine could return fire in self-defence if confronted by Moscow's forces, though any such threat would more likely come from drones than direct gunfire. This is because any such peacekeeping mission would only enter the country after Russia's war in Ukraine had ended and peace had been established. As a result, British troops would be unlikely to come into direct contact with Russian forces, with any threat more likely to come from long-range drone...