Prime Minister Donald Tusk defended his centrist, pro-European government before parliament on Wednesday, seeking to reassert control and rally his fractured coalition after suffering a bitter political defeat.

Poland’s centrist government won a confidence vote in Parliament on Wednesday, averting political turmoil for the biggest country on the European Union’s eastern flank and a robust supporter of Ukrain...

While most of the power in Poland’s political system rests with an elected parliament, and a government chosen by the parliament, the president can veto legislation.