BERLIN (Reuters) - Opposition leader Friedrich Merz, leading in the race to become Germany's next chancellor, pledged on Monday to bring a law on restoring border controls before parliament this week even if it needed to be passed with far-right support.

Germany’s opposition leader says his party will bring motions to toughen migration policy to parliament next week in one of its last sessions before the country’s election.

German opposition leader Friedrich Merz, tipped to become the next chancellor, said on Thursday he wanted to win back the lost trust of key allies and ensure Berlin is more assertive on the global stage in a speech laying out his foreign policy plans.

The conservative leader wants to impose strict border controls after knife killings in Aschaffenburg this week.

Friedrich Merz, leader of the Christian Democratic Union (CDU), has pledged to impose tough border controls if elected chancellor in next month's vote. View on euronews

Opposition head Friedrich Merz is calling for reforms to Germany's migration laws after a deadly knife attack in which an Afghan man facing deportation is the main suspect - even if they pass with support from the far-right Alternative for Germany (AfD).

The co-leader of Germany's Greens has asked for "clarification" from Friedrich Merz after hints that the conservative leader could turn to the far right for support on passing migration reforms after a deadly knife attack.

Friedrich Merz, the leader of the German opposition and the CDU/CSU (Union) parliamentary group, as well as a candidate for the next chancellor of Germany, has announced that ending Russia's war against Ukraine would be a key strategic priority if he becomes chancellor.