As many as 623 Ukrainian servicemen have been killed in the anti-terrorist operation (ATO) zone in Donbas since the start of 2016, Ukrainian Defense Minister Stepan Poltorak said.
"The war keeps on claiming the lives of the Ukrainian people's best sons. Our combat losses have reached 623 Ukrainian servicemen this year," the Ukrainian Defense Ministry press service quoted Poltorak as saying at the NATO headquarters on Wednesday.