LUGANSK, July 27. /TASS/. The number of counterattacks of the Ukrainian armed forces’ units in the Kharkov, Dnepropetrovsk, and Zaporozhye regions have increased over the past week, according to military expert Andrey Marochko.

With the support of unmanned aerial vehicles (UAVs) and artillery, the enemy attempted to retake lost lines and positions.

"Last week, the situation along the line of contact tended to escalate. The enemy intensified operations in the Kharkov, Dnepropetrovsk, and Zaporozhye regions. The number of offensive actions by the Ukrainian armed forces in these areas increased significantly. Ukrainian militants, supported by various UAVs and artillery, attempted to retake lost lines and positions. Additional military equipment and personnel were sent to these areas," he wrote on his VKontakte page.

Marochko added that Ukrainian forces are also using mobile firepower more. The number of enemy combat armored vehicles and pickup trucks on the line of contact has also increased. "Ukraine’s artillery has been shifting toward using systems with BM-21 Grad 122mm warheads," the military expert noted.