Former Australian international cricketer Shane Warne

Shane Warne dies aged 52 of suspected heart attack

Shane was found unresponsive in his villa and despite the best efforts of medical staff, he could not be revived," a statement from Warne's management said.

"The family requests privacy at this time and will provide further details in due course."

Royal Thai Police have told the ABC Warne was holidaying with four people in a luxury villa on Koh Samui.

Warne’s body has been sent to Koh Samui Hospital, where an autopsy will be carried out.

Department of Foreign Affairs and Trade officials will arrive in Koh Samui today to help return Warne's body to Australia.