The participants of the contact group for a settlement of the situation in the East of Ukraine in the process of the video conference, which was held yesterday, discussed the problem of the mutual withdrawal of tanks and heavy weapons from the contact line, said press Secretary of ex-President Leonid Kuchma Daria olifer on Thursday. "To reduce the tension in the area, is currently discussing the issue of mutual drainage tanks, 80-mm mortars, and guns calibre to 100 millimeters. About this sentence was said yesterday (in the process of video - ed.)