Polls, preferences, potential defections: can Victoria’s Liberal party ward off the rising threat of One Nation?

Opposition leader Jess Wilson is under pressure to reveal her position on a deal with Pauline Hanson's party as the state election approaches

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While internal divisions have long been the Victorian Liberal party's main obstacle to winning government, a new threat is emerging on its right flank: One Nation.

Just four years ago, One Nation received just 8,077 lower house first-preference votes out of more than 3.6m cast in Victoria - equivalent to 0.22% of the total - and won a single seat in the upper house.