LUHANSKE, Ukraine--Hundreds of Ukrainian soldiers retreated from from the strategic railway town of Debaltseve Wednesday, breaking through encirclement by Russian-backed militants and heading to government-controlled territory on trucks, tank and foot. Here, four of them recall briefly a day filled with blood and chaos.

Albert Sardaryan, a 22-year-old combat paramedic, s tanding a couple of miles from the farthest-forward Ukrainian checkpoint on the road from Debaltseve:

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