One Nation is after a state seat on the outskirts of Perth. What happens next may re-shape Australian politics

Where once a byelection for a state seat would have attracted little national attention, the remaking of the Australian political landscape in recent months has given such contests greater significance. The next such byelection is on August 29 in the Western Australian state seat of Secret Harbour, triggered by the resignation of Labor government minister Paul Papalia. Papalia had represented the seat, and its predecessor electorates, since 2007. The area is Labor heartland, with the party’s…