"Russia builds up occupation forces on the territory of Donbas. More than 20 tanks, 10 self-propelled guns, and 15 trucks with ammunition headed towards Novoazovsk," he said.
"Another 20 trucks with ammunition and tankers entered Ukraine from Russia through Izvaryne (the Luhansk region) border crossing point.
"In addition, the illegal crossing of the border with the Donbas by the buses full of Russian military was recorded.
"The Russian troops' buildup was registered on the border with Ukraine, in the Voronezh and Rostov regions in particular," the report reads.