Photo from UNIAN

The Russian-backed mercenaries fired cannon artillery, mortars and small arms on ATO forces near the village of Luhanske. The wounded soldiers were transported to a hospital in Kharkiv. Five soldiers with very severe injuries were hospitalized by air ambulance service, according to the report.

The soldiers' conditions have been described as stable, according to doctors.

"Yesterday three soldiers with severe injuries were brought, one of them in a state of clinical death. Fortunately, the patient was returned to consciousness – special thanks to our emergency physicians – and the operation was carried out. We could save only one leg, with 3.5 liters of blood being transfused. The patient's condition has stabilized," said Vladyslav Yatsun, the coordinator of the medical reinforcement group.

Read alsoMinsk talks: Parties agree to separate forces in two Donbas towns – SajdikEarlier, presidential administration spokesman for the ATO Colonel Andriy Lysenko reported that one soldier was killed and eleven were wounded in the ATO zone in Ukraine's east in the last year.

Lysenko also noted that the situation in ATO zone has shown a tendency towards aggravation.