Over charged on my debit Account

On the 17th April, I spoke to one of the call centre agent's regarding settling my account and enquired about the outstanding amount. On the 22nd April I received the emailed settlement letter regarding the request and to confirm that the request has been logged in and they also provided me with a reference number ***.<br> However today at 08:06am I receive an sms regarding a debit that went off my account to the amount of R662.84 - the original debit amount.<br> AFRICAN BANK I DEMAND THAT YOU RETURN MY MONEY (R662.84)BACK INTO MY ACCOUNT AS QUICKLY AS YOU TOOK IT.<br> THIS IS SO UNFAIR, FOR CRYING OUT LOUD PLEASE MAN.....<br> THIS IS NOT MY FIRST COMPLAINT REGARDING AFRICAN BANK AND I WILL CONTINUE TO COMPLAIN ON HELLO PETER UNTIL YOU DO THE RIGHT THING.<br> <br> I WILL WAIT FOR YOUR RESPONSE.