爆炸当量
The march began near the Palace of Sports, activists lined up in a column and moved in the direction of Freedom Square. However, at about 1:20 p.m., when the column was only 100 meters away, an explosion erupted. The device, which, according to Kharkiv Oblast Prosecutor Yuriy Danylchenko, was an anti-personnel mine with a radio-controlled device, fired. According to the Security Service of Ukraine, the explosive was hidden in a snowdrift the night before. The TNT equivalent of an explosion is 2 kg.