Pauline Hanson is on track to return to federal parliament two decades, a quashed conviction and eight lost elections after she first won a lower house seat.

With 20% of the vote counted on Saturday night, One Nation had won at least 10% of the Senate vote in Queensland, enough for at least one and possibly two seats in the upper house.

It would be an extraordinary return to influence for Hanson after 18 years in the political wilderness that included four runs at the federal Senate, one failed defence of her federal lower house seat, two at the New South Wales state upper house and one campaign for a Queensland state seat.

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