The Coalition has doubled down on its backing for One Nation’s plan to “shut the door on dangerous foreign terrorist fighters” ahead of leader Pauline Hanson putting proposed laws to parliament.

The One Nation leader insists she will introduce a foreign fighters bill that a prominent legal voice has backed. The constitutional expert in fact said it was unlikely to do much.

Angus Taylor and Matt Canavan will support Pauline Hanson’s migration bill despite vowing to fight her rightwing party