Germany's far-left Die Linke party has enjoyed a late poll surge ahead of Sunday's elections, boosted by a spirited anti-fascist speech by its new rising star that quickly went viral.

"I say to everyone out there: don't give up, fight back, resist fascism," Heidi Reichinnek said in a recent parliament speech against the far-right Alternative for Germany (AfD) and those who cooperate with it.

"To the barricades!" declared the 36-year-old, who has a picture of the revolutionary left's icon Rosa Luxemburg tattooed on her left forearm, in a fiery speech that has racked up over 6.5 million views on TikTok.

Die Linke has been especially popular among young voters with its promise to fight for social justice, tax the rich, bring down surging rents and make public transport cheaper.

With the anti-immigration AfD polling at a record 20 percent ahead of Sunday's election, Die Linke has become a standard bearer in the pushback against the extreme right.

Founded from the ashes of communist East Germany's ruling party, it had been plagued by infighting and a damaging defection and until recently faced the threat of political oblivion.

Only weeks ago, Die Linke was........

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