UPDATE: Police say Grant Hackett has been found safe and well.
Earlier today his family reporting he was missing and we concerned for his safety.
EARLIER: 2.30PM Brisbane
After first being arrested, then taking to social media accusing his brother of attacking him, Grant Hackett has now been reported missing.
His father Nev spoke to reporters on the Gold Coast pleading for help to find the Olympic-gold medalist.
He said Grant had checked out of his Gold Coast Hotel and there was now concern for his safety.
“He’s definitely a missing person. He’s mentally disturbed and needs urgent help … If anybody has seen him contact the media or the police or the Hackett Family.”
“Grant, let us know where you are. We love you and we want to help you.”
— Nine News Gold Coast (@9NewsGoldCoast) February 16, 2017
Read more: Grant Hackett arrested on Gold Coast
Read more: Grant Hackett posts photo of black eye.