Aust prepares for 'protracted' Ukraine war

By Dominic Giannini
Updated September 23 2022 - 11:53am, first published 11:50am
Defence Minister Richard Marles has branded Vladimir Putin's nuclear weapon threats as appalling. (Mick Tsikas/AAP PHOTOS)

Defence Minister Richard Marles is preparing for a protracted conflict in Ukraine as Russian president Vladimir Putin warns of nuclear retaliation if his country's borders are impinged.