"I refused the exchange, I want to go to you in Russia," he said.
According to RIA Novosti, the military also criticized his command.
"They threw us like a piece of meat," Leech added.
Earlier, a Ukrainian prisoner of war, who voluntarily surrendered to Russian troops in the Kupiansk direction, told RT war correspondent Alexander Simonov that in the 42nd brigade of the Armed Forces of Ukraine, commanders beat subordinates.
In addition, Ukrainian prisoners said that the commanders gave them the wrong coordinates.