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The former US presidential candidate John McCain has been diagnosed with brain cancer. The 80-year-old war hero had a blot clot removed from above his eye earlier this week after complaining he wasn't feeling himself. His prognosis is not known at this stage or when or if he might sit again in the Senate. CNN's Chief Medical Correspondent Dr Sanjay Gupta broke the story after speaking with the John McCain's medical team, with the Senator's permission.

The Foreign Minister Julie Bishop has launched a partnership between Monash University's Eliminate Dengue Program and the Sri Lankan health ministry. Sri Lanka has been hard hit by dengue with about 90, 000 cases reported and more than 240 deaths. The Australian Government is also contributing to the WHO's dengue programs.

Australia is a bulk commodity exporting nation, but there are signs that could be changing. The majority of growth in exports is now coming from value-added or premium foods, according to the CSIRO. For the first time, value-added and premium products accounted for 60 per cent of food export growth in the three years to 2016.

A Victorian council has moved a motion to support the re-introduction of conscription. Casey Council in Melbourne's deep south will now write to the Defence Minister asking her to consider national service for men and women.

Parents should stop drinking in front of their teenagers if they want them to develop a healthy relationship with alcohol say researchers from the University of Adelaide. And in even more sobering findings the authors of the new study into school age drinkers found introducing teenagers to alcohol under parental supervision in the home was counterproductive.

The ABC's flagship children's program Bananas in Pyjamas is celebrating 25 years. The infamous B1 and B2 were nearly named something else. Co-creators Simon Hopkinson and Helena Harris reflect on the creation of everyone's favourite fruits.

Business PM catches you up on the most important news in business and finance.

The Prime Minister Malcolm Turnbull's spent the day promoting and defending his decision to create a Home Affairs super ministry. Labor maintains the move is about politics not policy, but the PM insists it's designed to make Australians safer.

There's a growing hunger for details about the police shooting of an Australian woman in the US State of Minneapolis at the weekend. Forty-year-old meditation teacher and life coach Justine Damond was killed by officer Mohammed Noor on Saturday night local time, after reporting a possible assault near her home. Mr Noor is yet to give his account of the events, and officials say under US law, he can't be compelled to.

Former Don Dale detainee Dylan Voller has announced he will run for local government in Alice Springs. Mr Voller appeared in a Four Corners episode last year, which showed his alleged mistreatment over a period of years. The 19-year-old said he wants to use his experience to give young people in Central Australia a voice.