The Russian President Vladimir Putin, German Chancellor Angela Merkel, and French President Francois Hollande will meet at G20 summit that will take place in China in September. Putin, Merkel and Hollande discussed the Ukrainian crisis on the telephone. In particular, they talked about the prospects for continuation of the Minsk agreements, based on the timing of political steps and measures in the field of security. The parties expressed concerns in regard to instability in the contact line. The leaders stressed that it is important to strictly maintain the ceasefire and withdraw heavy weapons, reports the Rossiyskaya Gazeta.