Over the last 24 hours, the Russian-backed separatist forces attacks Ukrainian army positions 12 times in the combat zone in eastern Ukraine.
Ukraine Today: Russian-backed separatist forces increase attacks in eastern Ukraine
A photo taken on February 4, 2016 shows Ukrainian servicemen manning a closed checkpoint in the village of Zaitseve, some 35 kilometres (20 miles) north of the rebels' de facto capital Donetsk.
