Tensions flared in the Luhansk region early on Monday morning as the conflicting sides engaged in fighting by use of automatic weapons and tanks, Luhansk region military-civilian administration head Hennadiy Moskal reported.

An engagement lasted for over two hours on the outskirts of Triokhizbenka. The army and a reconnaissance-and-sabotage group of the militants were using small arms and automatic grenade launchers, he said. "The Ukrainian army suffered no casualties," said the report posted on the Moskal website on Monday.

Another incident happened on Bakhmutka road where the 29th Ukrainian roadblock was attacked from the village of Zholobok in the period from 2 a.m. through to 5 a.m. "Our servicemen were attacked by hostile weapons, including a tank. There have been no casualty reports as of yet," Moskal said.

He reported repeated automatic gunfire attacks on Ukrainian army strongholds in Troitske in the Popasniansky district. The latest attack was made at 4 a.m. on Monday, no one was killed or injured.

"All was quiet in other populated localities situated along the contact line. For the first time in a long time, there were no hostilities in Krymske near Bakhmutka. The last shooting incident happened there at about 8 p.m. yesterday," the administration head said.