Ukrainian President Volodymyr Zelenskyy has suggested that his country's forces have successfully dispersed some of the Russian units in northeastern Ukraine.

The Ukrainian military says it seized more than 1,200 square kilometers of land and 93 settlements since it crossed the border into the neighboring Kursk region on August 6.

In a news conference on Saturday, Zelenskyy said he is very positive about Ukraine's ongoing military operation in the Kursk region.

He said the number of Russian prisoners for future swaps is growing, and that Ukraine's military prevented Russian forces from encircling the northeastern Ukrainian region of Sumy and occupying its capital.

The governor of Russia's Belgorod region, which neighbors Kursk, said on Sunday that Ukrainian shelling claimed the lives of five civilians and wounded 12 people, including three children.

Reuters news agency has reported that a hotel where its crew was staying in Kramatorsk in the eastern Ukrainian region of Donetsk came under attack on Saturday. Ukraine has claimed that Russia attacked the hotel.

One person was missing and two injured people were being treated in a hospital.