Russian forces target Ukrainian city of Bakhmut, once home to 70,000

Read MoreThe eastern Ukrainian city of Odessa is without power after Russian drones hit two power plants this weekend. Imtiaz Tyab reports from hard-hit eastern city of Bakhmut, where fighting also rages.The eastern Ukrainian city of Odessa is without power after Russian drones hit two power plants this weekend. Imtiaz Tyab reports from hard-hit eastern city of Bakhmut, where fighting also rages.