No item or refund received upon payment

I placed an order via Russell's online shop paid my order in full and received a notification that my order was placed successfully and also that the amount went off from my account the next thing I know Russell's lets me know that my order was cancelled and they received no payment after I sent them my whole bank statement along with the screenshots that shows my order was placed successfully and my payment was already prossesed. They refuse to contact me in order with a refund or to get my order. I am really disappointed with the service that I got. NO HELP AT ALL!!!!