Ukrainian authorities have halted all cargo traffic with separatist-held areas in the east of the country, demanding that Russian-backed separatists hand back businesses they have seized.
Russia's War Against Ukraine
Al Jazeera: Ukraine announces economic blockade of separatist-held areas
Russia-backed separatists guard a checkpoint in Stanytsia Luhanska, Lugansk region, on March 7 as people queue to cross the front line to Ukraine-controlled territory to shop, visit relatives and recieve Ukrainian pensions.
