A vote seen as a test of the power of populist nationalism in Europe was too close to call, with exit polls putting the two contenders neck and neck.

Poles awakened Monday to a clear albeit close result that returns a nationalist politician to the presidency who has pledged to hinder the centrist, pro-EU government for the remainder of its term

WARSAW (Reuters) -Polish nationalist opposition candidate Karol Nawrocki won Sunday's second round of presidential election with 50.89% of votes, the electoral commission said early on Monday on its website.