Live updates: Novak Djokovic's visa and Australian Open news

On Saturday morning, Djokovic was detained by Australian border authorities, per a court-ordered arrangement decided Friday, after his visa was revoked for the second time by Australia's immigration minister, Alex Hawke.He was once again placed in pre-immigration detention, as required under Australian law.A range of protesters have gathered outside the Park Hotel. A white van believed to be carrying Novak Djokovic left his lawyers’ offices in Melbourne on Saturday afternoon.The men's world No. 1 was detained by Australian border authorities on Saturday morning, in accordance with a court-ordered arrangement decided Friday after his visa was revoked for the second time by Australia's immigration minister, Alex Hawke.Djokovic now will spend Saturday night in pre-immigration detention before facing a federal court hearing Sunday morning, Australia time, in a last ditch attempt to overturn the ruling.In justifying his decision to cancel the tennis champion's visa, Hawke said Djokovic's ongoing presence in Australia could lead to an “increase in anti-vaccination sentiment” or even “civil unrest," court filings show.The Australian government agreed not to deport Djokovic over the weekend before his case has concluded.Two-time grand slam champion and current women's world No. 3 Garbine Muguruza said the Novak Djokovic media frenzy could have been "avoided" if the men's world No. 1 had gotten vaccinated, like other tennis players entering Australia to play in the tournament.