Review My sportybet account was harck

About two months ago, my sportybet account was harck,not knowing that they are using it for they frudelent activities. So last week I received a call,from someone claiming to be from GT bank, that some one bank account was harck and they trace the money was send to my sportybet account that I should send the money back or they will involve security agent.Now they did not only harck my account they are also implicating me. I try reach sportybet customer care bt couldn't, they number I call thinking it is they customer care, the person is still sounding like the those same harckers, is sportybet really at all