Department of the Premier and Cabinet director general, Darren Foster, is stepping down immediately, with senior bureaucrats Rebecca Brown and Sharyn O'Neill stepping into the breach.
Police Minister Michelle Roberts insists the state government will not budge on its $1,000 pay increase offer to the police union, saying to capitulate would trigger a flow-on effect across the rest of the public sector.
Premier Mark McGowan has lashed the state police union's leadership after a short-lived escalation of industrial action over a pay dispute, saying they went rogue and took the law into their own hands.