 Deepa Shivaram, NPR News, the White House. In the U.K., polls are open for a vote that could end 14 years of Conservative Party rule. Prime Minister Rishi Sunak called for a snap election six weeks ago, and it's the first parliamentary election since 2019 when Boris Johnson won by a landslide. Keir Starmer, who leads the Labour Party, is Sunak's main competitor.