Unauthorized game subscriptions on my account!

Keep getting unauthorized subscriptions for MTN Gameworld @ R20/week or Mzansi Rhythm @ R5/day. I cancel them but the next day there is another sms confirming subscription for the same thing and other.

Who authorized it and why is it repeated after I already cancelled it. This is *****. If you don't cancel it in 24 hrs it will be deducted from your contract per month.

If this is not stopped immediately I will report this as ***** at my nearest Police Station.

I want urgent feedback about this and what will be done to stop these actions on my account.

If not, I will be forced to report this at ICASA as well and close my account, and you will be liable for the rest of my contract.

Worst service provider lately. Just waiting for my contract to be paid up and move my number to another service provider.