Former German Chancellor Angela Merkel criticized Friedrich Merz, her successor as leader of the country’s conservatives, on Thursday for pushing through a bill on tighter immigration control with the help of the far right.

Former German Chancellor Angela Merkel on Thursday 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.

Former German chancellor Angela Merkel has criticized her centre-right Christian Democrats (CDU) for passing a motion in parliament calling for hard-line reforms to migration policy with the support of the far-right Alternative for Germany (AfD).