Military expert Alexei Arestovich said several reasons why there are exacerbations on the contact line in the ATU zone.

He said this in an interview with "Apostrophe".

According to him, one of the reasons for the aggravation may be the arrival of a new commander in one of the battalions of militants.

"Suddenly, an active separet or Russian commander calls in and says:" How long? Why? Let's fry "dill" a little bit ". And a BMP is leaving, shot at our positions. Our people took offense, planned the operation for a day or two and got back in response, "said Arestovich, adding that this continues until OSCE observers arrive or higher commanders interfere.

Also, the expert says, Ukrainian troops or separatists can launch a small offensive operation when they see the advantage of enemy positions. In particular, Arestovich cited the offensive of the ATU forces in the area of ??Zhelobok village of Lugansk region.

"And on this front, such a local" reoccupation "begins.

Such "help" from the beginning of the new year we have about seven pieces already. We are moving so smartly, "he says..

The expert added that sometimes active skirmishes occur after the actions of subversive and reconnaissance groups.

"Infantry sits, looks at it (OSR actions, - Ed.. ) All and says: "So that you choke". Because the intelligence through them passed, bang-bang, shot, and infantry catches in response. And this is on both sides, "he explained..