According to Tusk, who spoke on TVN24, there can be no European Poland without independent courts, completely free media, respect for the law, and liberal democracy, EP wrote.

"There is no safe Poland if it conflicts with Ukraine," he said.

The EC President believes Poland should not be a "self-proclaimed leader of Intermarium" - it should return to the role of a "guardian and state that supports the aspirations of countries of the so-called new Europe".

Read alsoPoland’s new PM says country has welcomed many Ukrainian refugeesAs reported earlier, the office of the Polish president had recently stated that some EU states can lean in favor of Moscow if confronted with the need to choose between Ukraine and Russia, and that in such situation, Poland might not support Kyiv as it did before.

Poland has introduced a "black list" of Ukrainians banned from entering its territory over contradictions regarding historical issues.