Photos released by the Ukrainian government as "proof" of Russian soldiers on the ground in Donetsk leave many questions to be answered. With thousands of Russian soldiers massed on Ukraine's frontiers, any evidence that they are actually over the border, as was the case in Crimea in March, is being taken very seriously.
BBC: What the ‘Russian soldier’ photos say
A Russian soldier stands near the besieged Ukrainian military base in Simferopol on March 18.
