Russia says Ukraine used underwater drones to attack the bridge that links Russia to the occupied Crimean peninsula. ABC News' James Longman is in Ukraine with more. SUBSCRIBE to ABC News on YouTube: bit.ly/2vZb6yP Latest updates: abcnews.go.com Watch FULL EPISODES on Hulu: abcn.ws/3bzvQQn #news #russia #ukraine #abcnews #crimea #worldnews