Moscow complained of a "dangerous escalation" on Sunday after Russian authorities reported casualties caused by shells fired from Ukraine, where government troops are on the offensive against rebels holed up in the cities of Donetsk and Lugansk.
France 24: Shells land in Russia as eastern Ukrainians flee fighting
A Russian man reported to be killed and two women were injured when shells fired from Ukrainian territory hit two houses in Russia's Rostov region, local authorities said on July 13.
