KIEV, Sept. 4 - President Petro Poroshenko and Polish special presidential envoy and State Secretary Krzysztof Szczerski discussed a roadmap of contacts between the two leaders.

"The Ukrainian head of state invited Polish President Andrzej Duda to visit Ukraine," the Ukrainian presidential press service reported following Poroshenko's meeting with Szczerski in Kiev on Friday.

"The development of our relations will make the countries stronger and will enhance the level of confidence," Poroshenko said.