German far-right party sues spy agency over 'extremist' label / Alternative for Germany listed as 'right-wing extremist' party by domestic spy agency / Alternative for Germany is listed as a 'right-wing extremist' party by domestic intelligence agency / Germany's far right targets greater influence in new parliament / German politics froze out the far right for years - is this about to change? / German far-right makes historic gains as conservatives hold lead / Why some German voters embraced the far right / German far-right leader hails 'historic' election result / Alice Weidel: Germany's far-right candidate backed by the Trump administration