UK PM Boris Johnson pauses Brexit bill after MPs reject timeline. UN calls for investigation into Chile protester deaths. The little-known condition that killed Disney star Cameron Boyce. Justin Trudeau wins Canadian election but loses majority — World News with Matt Bevan. Qld Govt to hold inquiry into welfare of retired racehorses. Sport with Warwick Hadfield. Wallabies coach Michael Cheika steps down after 40-16 loss to England. Firm accused of hoarding water 'just satisfying a demand': Duxton Waters. Politics with Peter Van Onselen. Science Minister Karen Andrews on putting humans on Mars. 'The sooner we see the code, the better': Australian Dairy Farmers. Charities call on the people of Hobart to fund homeless shelter. UK election artist Cornelia Parker in Sydney with new exhibition. Religion and Ethics with Andrew West.