The top stories from ABC News.
The New South Wales police minister Troy Grant says his thoughts are with the family and colleagues of a veteran police officer who was stabbed by an alleged sex offender in Sydney's south-east. Detective sergeant John Breda was attempting to arrest 33-year-old Nick Newman when he was injured. The officer had surgery for internal injuries overnight and remains in a serious but stable condition.
Nine people have been taken to hospital after suspected drug overdoses at a dance party at Festival Hall in west Melbourne. Emergency services were called to the venue at 11 pm last night. All nine were taken to various hospitals and are in a serious condition. The victims were attending the "I am Hardstyle" concert.
Donald Trump, has told business and political leaders at the world economic forum in Switzerland that they're witnessing the prosperous resurgence of America. The US president says that while he will pursue an "America First" agenda, that doesn't mean America alone. Mr Trump says he believes in free trade but only if it's reciprocal.
Women's world number one Simona Halep will take on world number two Caroline Wozniacki in the women's decider of the Australian Open today. Five time Australian Open men's champion Roger Federer won his match against South Koreas Hyeon Chung. He will now defend his title against Croatia's Marin Cilic in tomorrow's final.