Liberal frontbencher Andrew Hastie has become a special target for One Nation over his willingness to give evidence against Victoria Cross winner Ben Roberts-Smith, who has been charged with five counts of the war crime of murder.

One Nation used the Roberts-Smith issue in the Farrer byelection, with corflutes declaring HE FOUGHT FOR US. ONE NATION STANDS WITH HIM".

James Ashby, Pauline Hanson’s top adviser and a long term leading strategist in the party, on Tuesday delivered a very direct political threat to Hastie.

“We stand by all of our defence force members, and that is one thing that Andrew Hastie is forgetting.

"What I will say to Andrew Hastie is that we’ve got 430 One Nation members in his electorate [of Canning........

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