The attacks came hours after brief direct talks failed to make any progress on steps to end nearly three-and-a-half years of war.

Deaths have been reported on either side of the border, just hours after a third round of ceasefire talks took place in Turkey.

The long-range Russian drones come in swarms each night, buzzing over Ukraine by the hundreds, terrorizing the population and attacking targets from the industrial east to areas near its western border with Poland.