Ukraine’s troops reportedly advanced in the Donetsk-Zaporizhzhia region border area.
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The institute says that on the same day, Russian forces conducted offensive operations in the east near Kupyansk.
A few days ago, Ukraine ordered a mandatory evacuation from the city and surrounding areas as Russia intensified shelling in the north-eastern Kharkiv region.
Kupyansk lies close to Ukraine’s border with Russia, and Moscow has stepped up its efforts in recent weeks to capture the city for a second time.
Watch Euronews’ report in the video player above to learn more.