REUTERS

"We have observed the training of artillery spotters and scouts. The trainers are from the Russian military," he said.

"At the insistence of Russian specialists, the militants have set up [bases for the] repair and maintenance of weapons and military equipment that has been used for a long period of time. The corresponding maintenance crews have been organized there," Tymchuk said.

"Spare parts and supplies have been delivered under the cover of humanitarian convoys from Russia," he said.

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