The United States on Friday expressed alarm over a “full-scale defence partnership” between Russia and Iran, describing it as “harmful” to Ukraine, Iran’s neighbours and the world. Iran stands accused by Western powers of supplying drones to Russia for its war against Ukraine, as Moscow batters the country’s energy infrastructure in search of an advantage in the bloody conflict. Washington has previously condemned Iran-Russia security cooperation, but on Friday described an extensive relationship involving equipment such as helicopters and fighter jets as well as drones, with the latter items …