Poland is set to hold a presidential runoff election on Sunday, with a right-wing nationalist and a pro-European liberal running neck-and-neck in a race that could shape the future of one of NATO's and the European Union’s most strategically important member states.

WARSAW, Poland (AP) — Tens of thousands of Poles took part in dueling patriotic marches in Warsaw on Sunday, led by the two men vying for the presidency in a June 1 runoff election which is expected to be both close and consequential for the nation’s future.

WARSAW (Reuters) -Tens of thousands of people took the streets of Warsaw on Sunday to show support for rival candidates in next week's tightly-contested Polish presidential election that the government views as crucial to its efforts for democratic reform.