Veteran tennis umpire Carlos Bernardes has reportedly suffered a heart attack inside his hotel quarantine room in Melbourne.
The Australian Open official was rushed to a Melbourne hospital and is now believed to be in a stable condition.
Bernardes was quarantining in hard lockdown with 72 others after flying to Melbourne for the Australian Open last weekend.
A Brazilian sports website posted pictures of Bernardes being wheeled out of the hotel by paramedics before being loaded into an ambulance.