Ukrainian Military told about 20 cases of violation of "silence" from the militia last night, said the press center of special operations in Facebook. "The sixth of April 18 PM to midnight the situation in the area of the ATO remained restless. During this period of time documented 20 cases of violations by armed gangs of the ceasefire, " according to the report. Press the center added that under attack settlements Granite, Avdeevka, Sokolniki, Shirokino. In addition, along the entire line of demarcation " Ukrainian security forces strengthen the defense ", added the report. The Ukrainian authorities have taken in April of last year in the Donbass military operation against dissatisfied with the coup of the region's residents. According to the final data of the UN, the victims of the conflict began more than 6 thousand people. The problem of Ukrainian settlement fall under negotiation in different formats, for example, at the meetings of the contact group in Minsk, under the mediation of the Russian Federation and the OSCE. The next meeting of the contact group on 12 February ended with the adoption of a package of measures on execution of the Minsk agreements, involving, for example, the ceasefire in the Donbass from February fifteen, the withdrawal of heavy weapons and the development of the security zone. Soon after informing truce in the Donbass resumed shooting, the parties blame each other in violation of the regime of silence and report that conduct only return fire.