MOSCOW/KYIV (Reuters) -A senior Russian lawmaker said Ukrainian military intelligence had been given a 15-minute warning before a Russian military transport plane carrying Ukrainian prisoners of war entered an area where it was shot down on Wednesday, killing all on board. Moscow accuses Kyiv of downing the Ilyushin Il-76 plane in Russia’s Belgorod region, killing 74 people on board, including 65 captured Ukrainian soldiers en route to be swapped for Russian PoWs. Russia’s Investigative Committee said on Thursday the plane was struck by a Ukrainian-made surface-to-air missile. Ukraine denied t…