Novak Djokovic’s visa allowing him to compete in the Australian Open tennis tournament has been cancelled by the country’s immigration minister, Alec Hawke. “Today I exercised my power… to cancel the visa held by Mr Novak Djokovic on health and good order grounds, on the basis that it was in the public interest to do so,” the minister said in a statement.

The world No 1 now faces deportation and a three-year ban from Australia. While a further legal move from the star is likely, its chances of success are limited – as this article we published on Thursday explains, the minister’s powers in this area are difficult to challenge. This compelling story has been covered in depth by our editors and academic experts. Click here for all the background and updates as matters continue to unfold.

The latest episode of The Conversation Weekly, meanwhile, looks at how digital currencies are going mainstream. But countries are taking very different approaches to embracing this huge shift. If you’ve not checked out the podcast before, now’s a good week to start. We’ve also been taking a look at what will be one of the key global political events of the year, the French presidential election, and assessing Emmanuel Macron’s use of certain risqué words.