Russia and Ukraine on Thursday exchanged bodies of fallen soldiers under the Istanbul deal, Russian Presidential Aide Vladimir Medinsky said.

"In continuation of the Istanbul agreements, another 1,000 bodies of Ukrainian Armed Forces soldiers were handed over to Ukraine today," said Medinsky, also Russia's chief negotiator at the talks with the Ukrainian side.

He added that 19 bodies of Russian soldiers were received.

During their last round of talks on June 2, Russia and Ukraine agreed on an "all-for-all" exchange of seriously ill and wounded prisoners, and soldiers under the age of 25, as well as the transfer of the bodies of fallen soldiers.