Five Ukrainian servicemen have been injured in the anti-terrorist operation (ATO) zone in Donbas in the past 24 hours; no one has been killed, Andriy Lysenko, Ukrainian presidential administration spokesman for the ATO operation issues, said.

"No Ukrainian servicemen have been killed, five have been injured in the past 24 hours," he said at a briefing in Kyiv on Friday.

He also said that the situation in the Luhansk sector has improved in the past 24 hours. Two shellings in the Popasna district have been reported in the past 24 hours.

In Donetsk sector the number of shellings decreased, but the enemy continues to use heavy armaments, in particular, mortars and 122 mm howitzers, he said. The main spots of tension are the Horlivka agglomeration and Avdiyivka, he said.

"A local resident has been injured in shelling in Avdiyivka, three buildings have been damaged," he said, adding that overall 15 shellings occurred in the Donetsk sector, seven of them using heavy armaments.

In the Mariupol sector the mass shelling of Ukrainian troops' positions continues, mostly at night, and the enemy uses armored infantry vehicles and mortars. In this sector 33 shellings have been reported in the past 24 hours, five of them using heavy armaments, he said.