The UK only returns individuals if both the Home Office and the courts are satisfied they do not need our protection and have no legal basis to remain in the country.
The Home Office also added that Abdul Rajabali's case had been rejected by the courts and he failed to attend an appeal hearing.
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Three backroom staff have also left with immediate effect.
His owner is concerned because he needs medication.
The 90 competitors chosen to represent Britain in Toronto include more than 60% debutants.