Representative of Ukraine in the sub-working group on security issues Yevhen Marchuk confirmed that the next meeting of the 4 sub-working groups to resolve the situation in the Donbass will be held in Minsk on July 7 in parallel with the meeting of the trilateral Contact group, informs on Wednesday. "on July 7, moved all four working groups," said Marchuk. according to his statement, the beginning of the sub working group meetings scheduled for 13. 00 Kyiv time (same as GMT). first Plenipotentiary Representative of the self-proclaimed DND in the Contact group Denis Putilin said that a new meeting of sub-working groups will be held on 7 July. He said that the Plenipotentiaries of the Republic intend to raise the Issue of elections, the allocation techniques of calibre less than 100 mm and the lifting of the blockade of Donbass, as well as constitutional reform. Spokesman envoy of Ukraine in Minsk talks Leonid Kuchma Daria olifer agreed that preparations for the meeting of the Contact group on 7 July. In her expressions, " to this day it is expected to sign the document On mutual withdrawal of frontline heavy weapons with a calibre of not more than 100 mm - tanks and mortars ". The Ukrainian authorities began in April last year in the Donbass military operation against dissatisfied with the coup d'etat of residents of the region. According to the summary data of the UN, the victims of the conflict were about 6, 5 thousand people. The settlement of the situation in the Donbass is discussed, as well as among them, during meetings in Minsk Contact group, which since September of last year already took 3 of the document governing the steps to de-escalate the conflict. The situation in the Donbass remains restless. Regular attacks are subjected to Kuibyshev territory of Donetsk, the Donetsk airport, the Village Lugansk, Gorlovka and other towns. Militia DND and LNR state that the Ukrainian Military continues to pull to the frontline heavy weapons, including systems of volley fire " Grad ". Ukrainian security forces, for their part, reported that the Minsk agreements prohibited weapons used by the Militia. Development of the situation in the South-East of Ukraine read