London | Embattled UK Prime Minister Keir Starmer faced a fresh leadership crisis after the Greens prevailed in a brutal and historic three-way byelection for a seat Labour had dominated for almost a century.
The humiliating loss raises new questions about how long Starmer can cling to Downing Street. But the outcome is also a reality check for Nigel Farage and his Reform UK, which has been trying to draw white working-class supporters from Labour on immigration, patriotism and other populist issues.