OSCE members nearby Troitske frontlines [Getty Images]

OSCE members nearby Troitske village frontlines, Ukraine, on 3 February 2017. (Photo by Celestino Arce/NurPhoto via Getty Images) — see more

OSCE members nearby Troitske village frontlines, Ukraine, on 3 February 2017. (Photo by Celestino Arce/NurPhoto via Getty Images)

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