
WARSAW, Jan 22 (Reuters) - Poland hopes European Union countries will act together on Greenland, U.S. President Donald Trump's "Board of Peace" and Ukraine, Polish Prime Minister Donald Tusk said before an emergency summit of EU leaders in Brussels on Thursday.
"For us, the United States is absolutely the most important partner when it comes to our security," he said, adding that Europe needs to protect its relations with the U.S.