south african countries. we can speak now to the independent s travel editor, simon calder. let s go through the practicalities of what is happening. so today there is a deadline, midday. is a deadline, midday. there is, and alread , if is a deadline, midday. there is, and already. if you is a deadline, midday. there is, and already, if you are is a deadline, midday. there is, and already, if you are at is a deadline, midday. there is, and already, if you are at heathrow, i already, if you are at heathrow, then virgin atlantic flight 450 from johannesburg hasjust then virgin atlantic flight 450 from johannesburg has just pulled then virgin atlantic flight 450 from johannesburg hasjust pulled up at the gate. the lucky passengers on board that flight, they will see themselves as lucky, will simply go through normal immigration process and then go home. in about an hour, you get two british airways run from johannesburg and one from cape town, also touching down. before they bec