There were sounds of machine gun shots and artillery fire, including cluster explosions, the correspondent said.
On Friday, the Russian Defense Ministry said Ukraine had lost some 310 soldiers in the Donetsk and Kupyansk directions in the past 24 hours. In addition, Russia repelled three Ukrainian attacks and Kiev lost up to 50 military in the Kupyansk direction, in the South Donetsk and Krasny Liman directions.