They have been actively using heavy weapons. This endangers the fulfillment of the agreements on the disengagement of forces and hardware in three designated zones," Ukrainian Defense Ministry spokesman Andriy Lysenko said.tensions persisted near Krymske in the Luhansk sector. The hostiles fired approximately 130 mortar mines on Ukrainian army positions. Ceasefire violations were also observed near Stanytsia Luhanska and in the Popasna district. One Ukrainian serviceman has been killed in the army operation zone in Donbas in the past 24 hours, and another two suffered injuries, Ukrainian Defense Ministry spokesman said.