Mr Francis said the unknown male person was of Middle Eastern or Saudi appearance. The man approached him outside the Radisson Blu Hotel, calling him "Mr Adrian".

The man said: "Let me say my friend that she [Mrs Rinehart] is not safe and maybe you know the people that are protecting her. Maybe you should talk to them, maybe they need more training."

Justice Michael Ball refused to reopen the application, and he dismissed the application.

He said the Dubai threat was not "credible, highly probative or not previously obtainable".

In refusing to reopen the application, Justice Ball said, "I'm not satisfied that the evidence in this case is either credible or highly probative.