KIEV, Nov. 17 - President Petro Poroshenko and the presidents of the Visegrad Group countries have agreed in Bratislava to launch a new format of cooperation, the press service of the Ukrainian president has reported.

"At a press conference following the meeting the head of the Ukrainian state said that, in particular, it had been agreed to maintain permanent interaction at the level of foreign and defense ministers of the Visegrad Group countries and Ukraine," the press service reported on Sunday.