1. Five-times grand slam champ Maria Sharapova fails drug tests
The former world No. 1 tested positive at the Australian Open in January for Meldonium, a drug which was only recently added to the banned substances list. "It's very important for you to understand that for 10 years this medicine was not on WADA's banned list and I had been legally taking the medicine for the past 10 years," Sharapova said at a press conference in LA. Meldonium has been banned after evidence showed athletes were using it to enhance performance.

2. Peta Credlin speaks out against affair rumours
In an opinion piece published by The Australian today, Credlin said the rumours swirling amidst the release of Niki Savva's book, Road to Ruin, were "completely false, utterly untrue, unfounded and wrong." Tony Abbott has also rejected the allegations, as have many of his former staffers - although their opinions are at odds with others are quoted in the book.

3. Is Kanye collaborating with Björk and Drake?
Yet another version of Kanye's track 'Wolves' is in the works, with Norwegian producer Cashmere Cat sharing a Snapchat that revealed Drake and Björk's involvement. Björk has denied any involvement; we're yet to hear from Drake.

4. Ingleburn hostage was on his first day on the job
As the dust settles on yesterday's horrific shooting at Inline National Signage in Ingleburn, more details are coming to light - including that one of the three workers held hostage was on his first day at the sign-making factory. The six-hour siege led to the death of two men and hospitalisation of two with gunshot wounds. 

The Buro daily: today's news in 2 minutes