So they're accusing you for multiple accounts usage, well I think they need to give a proof if you're really use multiple accounts. But are you not using VPN? if you've use it to access the casino, there's a chance someone use the same VPN apps you used and same countries you're choose.
I have not used any VPN. I played at home using my local internet connection. My country is Latvia and city Riga.
Helena could You check if links are working? I uploaded images to google