01 April 2016 Combat actions in the ATO zone in eastern Ukraine intensified. Adversary deployed several artillery batteries to the contact line and massively shelled positions of ATO forces. Shelling was conducted from 122-mm and 152-mm caliber – these are howitzers D-30 and MSTA-B. Over the day, occupants fired over 100 artillery shells and over 370 mortar mines. A total weight of warheads of the above ammunition is over 6.5 tons.