No support after hours on *****

<p>There has been a ********** transaction on my discovery credit card. Call them to cancel the transaction but they cant help me because i have to go into a branch or print a form and fill it in. I have not reseaved any OTP number and no call from them to ask me if i did purchase the item usualy any amoint more than R5000 then they call to ask if it was me. !!!!!!!!! It is stil un authorize and nobody can stop it really!!!! Who will then pay for this it is ***** and nobody can help me!!!!</p>