"A killer-deserter, who went in the direction of the city of Luhansk, was detained," he said.

This information was confirmed by Vadym Troyan, Deputy Chief of the National Police.

Kharkiv volunteer Roman Donik said that the deserter-killer was detained in a special raid in Luhansk region.

Read alsoATO HQ: Militants increase number of attacks, sniper groups involvedAs UNIAN reported earlier, a Ukrainian armed forces position near the village of Stanytsia Luhanska in Luhansk region, eastern Ukraine was attacked by an enemy special forces unit at about 16:00 local time on Monday, September 12.

Two Ukrainian servicemen were killed in a clash, while another five were wounded. One soldier was reported missing in action.

Later, the reports came that fire had been opened by an armed deserter, who was thought to try to flee after the incident to the occupied areas of Donbas.

The military counter-intelligence suggests that he could have links with the militants.