As an openly gay politician who lives with her Sri Lanka-born partner in Switzerland, Alice Weidel was an unusual choice to many to lead Germany's far-right Alternative for Germany (AfD) into Sunday's elections, where it scored its best-ever result.

To her legions of political foes, Weidel serves as a "fig leaf" for a party that has railed against asylum seekers, Islam and multiculturalism and some of whose top figures have voiced revisionist views on Germany's Nazi past.

On Sunday, the 46-year-old, who says Margaret Thatcher is her political idol, led the Moscow-friendly AfD to a record result of around 20%.