***** - double charging on my card

I had last filled up on Monday 4 January 2016 at the Palmview caltex garage in Phoenix .... and used my card to pay... I was charged for it and had got the sms notification.<br> <br> Then again today, Friday I get another sms for the same amount.<br> Upon checking my statement right away, I see I was charged on monday and yesterday....what is this????? I had not even gone anywhere to fill up yesterday.<br> <br> I notice I'm getting charged double at this garage and I gill here for the rewards..... I am a regular customer.... but what is happening, the garage is double charging me. <br> <br> <br> Very damn disappointed at this.<br> <br> I want a response asap!!!!! And I want my money back now!!!