Russia holds nuclear drills amid “dirty bomb” claim

Read MoreRussian President Vladimir Putin said the “risk of world conflict” is high as he oversaw the start of nuclear military excersises. He also repeated the claim that Ukraine may be planning a “dirty bomb” attack. Holly Williams is following developments from Kyiv.Russian President Vladimir Putin said the “risk of world conflict” is high as he oversaw the start of nuclear military excersises. He also repeated the claim that Ukraine may be planning a “dirty bomb” attack. Holly Williams is following developments from Kyiv.