New Polish President Karol Nawrocki vowed on Wednesday to change the country's constitution to protect its sovereignty in an address to parliament after his inauguration that set the scene for a battle with the government over democratic standards.

Poland’s new nationalist president and liberal PM Donald Tusk will clash over domestic reforms, but can find common ground in strengthening the military.

By Wojciech Kosc in Warsaw Karol Nawrocki was sworn in as Poland’s new president on August 6, marking the start of what is expected to be a prolonged political standoff with Prime Minister Donald Tusk’s coalition government.