West Australian Premier Mark McGowan has reignited his feud with interstate counterpart Dominic Perrottet, slamming the NSW government as a financial wrecker which has presided over a series of "ministerial catastrophes".
The two have long been at loggerheads over their respective state's share of GST revenue and Mr McGowan chose a joint press conference with NSW opposition leader Chris Minns in Perth on Tuesday to again crank up the tension.
