Frozen account WITHOUT notice.

I am incredibly shocked and disgusted by Standard's Bank recent behaviour. They, without notice or warning, froze my account because they were apparently lacking a copy of my ID and other details. I have definitely given them a copy of my ID before. But whether that was the case or not, I received NO phone call, NO email, NO sms, to first of all request these documents from me or let me know they were missing, and then secondly to NOT even notify me that they were going to suddenly freeze my account. <br> I find this extremely unprofessional and unfair towards me as a customer of over 14 years. <br> I have been unable to make transactions, purchases or withdrawals for three days now. How can they think it's ok to leave someone in this situation without any formal notice??