Friedrich Merz, the front-runner to become Germany’s next chancellor, relied on votes from the far-right AfD to push an anti-migration motion through parliament.

Former German Chancellor Angela Merkel has issued rare public criticism of her successor as the country’s center-right leader, the front-runner in Germany’s election next month, for putting to parliament proposals for tough new migration rules that only passed with the help of a far-right party.

German conservative leader Friedrich Merz on Wednesday defended his controversial migration reforms after stinging criticism from Chancellor Olaf Scholz, ahead of votes on two motions that could pass with the support of the far-right Alternative for Germany (AfD).

On Wednesday, Merz pushed through a non-binding motion in favour of an immigration crackdown with support from the AfD, breaking with Germany’s tradition of consensus-driven, centrist politics. Many fear it will only further embolden the far right.

With less than four weeks before Germany’s federal election, Chancellor Olaf Scholz and his conservative challenger Friedrich Merz, who is leading polls, will take their contentious battle over how to crack down on illegal migration to parliament.

The right to asylum must be preserved, German Chancellor Olaf Scholz said on Wednesday, as lawmakers prepared to vote on controversial motions seeking to reform the country's migration policy. In a major speech to the German parliament,