With Karol Nawrocki elected president, the conservative Law and Justice party retains its ability to block the agenda of pro-E.U. prime minister Donald Tusk.
The attack injected some much-needed optimism into Ukraine, beleaguered by years of war and worn down by what many see as U.S. pressure to concede to Russian demands.
Karol Nawrocki, a conservative nationalist, narrowly won Poland's presidency. He is the latest Trump-energized populist to perform strongly in a European poll.
China and the United States are accusing each other of reneging on their tariff truce as tensions rise over rare earths exports, computer chips and student visas.
Ukraine's strikes on distant Russian airbases with drones smuggled into the country are believed to have destroyed several of Moscow's long-range bombers.
Exit polls showed a race that was too close to call, with liberal Rafal Trzaskowski leading nationalist Karol Nawrocki by a fraction of a percentage point.
Defense Secretary Pete Hegseth said he came to Asia's preeminent security forum to talk "tanks, not tariffs." But for other leaders, Trump's trade war was hard to set aside.
Beijing has prioritized the return of talented Chinese studying overseas to help development in high-tech fields. But are Chinese students in the United States really a national security threat?
Drones smuggled into Russia hit bases as far away as Siberia and the far east, destroying 41 aircraft that carry cruise missiles and detect enemy planes, said a Ukrainian official.
A man in his 20s was hit by a car, and a teenager was stabbed amid celebrations of Paris Saint-Germain's win against Inter Milan in the Champions League final.