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.

The German Bundestag passed Friedrich Merz's so-called five-point migration plan — which promised a dramatic tightening of the country's migration and asylum law — through parliament. MPs narrowly voted in favour of turning away asylum seekers and other migrants back at Germany's borders — despite criticism that this could break both German and EU asylum law.

German election frontrunner Friedrich Merz succeeded on Wednesday in getting a motion passed in parliament that calls for a migration crackdown including the rejection of asylum seekers at the country's land borders.