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AVDIIVKA, UKRAINE - FEBRUARY 1: Local residents eat hot soup provided by the emergencies ministry at a humanitarian assistance point on February 1, 2017 in Avdiivka, Ukraine. The conflict with Russia-backed rebels has intensified dramatically in the front-line town over the past several days, leaving residents without heat or electricity in frigid temperatures. (Photo by Brendan Hoffman/Getty Images)

AVDIIVKA, UKRAINE - FEBRUARY 1: Local residents eat hot soup provided by the emergencies ministry at a humanitarian assistance point on February 1, 2017 in Avdiivka, Ukraine. The conflict with Russia-backed rebels has intensified dramatically in the front-line town over the past several days, leaving residents without heat or electricity in frigid temperatures. (Photo by Brendan Hoffman/Getty Images)