British voters have spoken in local elections seen as a verdict on Keir Starmer’s leadership

British voters cast ballots Thursday in local and regional elections that could shake up the country’s politics and deliver a heavy blow to embattled Prime Minister Keir Starmer. Starmer’s center-left Labour Party is bracing for big losses in polls that will choose about 5,000 local councilors and a handful of mayors across England, as well as semiautonomous parliaments in Scotland and Wales. They are the biggest set of elections since Labour swept to power in a landslide in July 2024, and Starmer’s opponents have painted them as a midterm referendum on the prime minister. Polls closed at 10 p.m. (2100...