As reported by Censor.NET, the officer told a correspondent for Defense Ministry-run TV channel.
Kupol said: "The enemy made several attempts to retake its position over the past day, incurred losses and retreated."
Speaking of casualties taken by the Ukrainian troops, the officer said: "They hold no our soldiers in captivity while we have captured no one of them as well. Nine Ukrainian military were killed, 35 - wounded, 17 - shell-shocked, 11 received injuries during the operation that started Dec. 18 - 72 persons in total. No one went missing. The body of a soldier who was considered missing in action was recovered yesterday. We have identified him."
Commenting on the video spread by the militants showing killed Ukrainian soldiers, Kupol said: "Yes, it was our servicemen. I recognized them. They were our soldiers killed in action: Lieutenant Yarovoi and soldier Babius. We incurred the greatest losses Dec. 18 but their number sharply decreased later. Only two our soldiers were recently wounded," the officer said.