Alternative for Germany (AfD) is now on course to win 20.5% of the vote, according to latest projections - but there is no way Friedrich Merz will work with it because of a long-standing political taboo against working with the far right, known as a Brandmauer - a firewall.

Chancellor Olaf Scholz conceded defeat for his center-left Social Democrats after what he called "a bitter election result." Projections for ARD and ZDF public television showed his party finishing in third place with its worst postwar result in a national parliamentary election.