LUGANSK, August 13. /TASS/. Russian forces have advanced one kilometer north of Ustinovka in the Kharkov Region in recent days, military expert Andrey Marochko said.

"Over the past several days, our troops have managed to advance one kilometer north of the settlement of Ustinovka," he told TASS.

Earlier, he told TASS that Russian forces have established control over Ustinovka and drove Ukrainian troops eight kilometers from the border with the Belgorod Region.