KIEV, Aug. 22 – Ukrainian President Petro Poroshenko has coordinated positions with Slovak President Andrej Kiska ahead of the informal EU summit in Bratislava in September.

Poroshenko thanked Kiska for his consistent support for the sovereignty and territorial integrity of Ukraine and briefed him about the latest developments on the administrative border with Crimea and in Donbas, the Ukrainian president's press service reported on Saturday.