Polish President Andrzej Duda speaks to CNBC's Steve Sedgwick at the NATO summit in The Hague, giving his take on the need for further defense spending across the alliance.

Polish leader Andrzej Duda said Saturday that he supports Ukraine's accession to the EU and NATO during a news conference in Kyiv.

Polish President Andrzej Duda said Monday that he is pressing Donald Trump to ramp up sanctions on Russia to force an end to the war. Trump, Duda said, is the only one who can force Putin to come ...