Germany’s “firewall against the far-Right” could crumble after the frontrunner to win next month’s election said he could work with Alternative for Germany (AfD) to tighten immigration laws.

A clear majority of Germans support the conservative Christian Democratic Union (CDU) party's refusal to cooperate with the far-right Alternative for Germany (AfD), a survey showed on Friday. The Politbarometer study,

Mainstream German parties have sworn off working with the far-right Alternative for Germany, but its ongoing rise and shifting political norms are making the question when, not if, they'll take part in government.

Germany's conservative opposition faced criticism Friday over reports that it was willing to accept the support of the far-right AfD party in a parliamentary vote on toughening migration rules.