REUTERS

"In any case, when there is a certain international conflict, it is impossible to solve it by military forces, because this could lead to more threatening consequences. We should use the language of diplomacy in order to resolve new or old problems," he said at the Japan National Press Club.

Read alsoPolish president appeals for NATO consolidation, urges Russia to withdraw from Crimea"We have never said that we will use the language of force and violence in order to liberate Crimea, but an effective mechanism for the global coordination of efforts can help us find a solution to this complex problem," Poroshenko said.