Got posted all over their facebook page where a customer received the below feedback for a email query. 
RCS Statement:
We at RCS are aware of an inappropriate and offensive email sent by a contact centre agent to one of our customers this afternoon. We have taken immediate action to address this matter and have apologised to the affected customer for the offence caused. We can assure all RCS customers that it was the action of a single individual acting outside the scope and mandate of their position and does not in any way reflect the views, culture and values of our RCS business. RCS does not tolerate this type of behavior and thus the individual in question is being dealt with in the strictest possible terms in accordance with internal disciplinary procedure. Once again we sincerely apologise for the offensive nature of this unfortunate and isolated incident.
RCS Statement:
We at RCS are aware of an inappropriate and offensive email sent by a contact centre agent to one of our customers this afternoon. We have taken immediate action to address this matter and have apologised to the affected customer for the offence caused. We can assure all RCS customers that it was the action of a single individual acting outside the scope and mandate of their position and does not in any way reflect the views, culture and values of our RCS business. RCS does not tolerate this type of behavior and thus the individual in question is being dealt with in the strictest possible terms in accordance with internal disciplinary procedure. Once again we sincerely apologise for the offensive nature of this unfortunate and isolated incident.