Regulators in the UK and US have fined banks more than £2 billion over the foreign exchange (Forex) rigging scandal.
The Financial Conduct Authority said it was imposing the fines for "failing to control business practices in their G10 spot foreign exchange".
The Royal Bank of Scotland has said it is reviewing the conduct of over 50 current and former trading employees globally, as well as "dozens" of supervisors and senior management executives.
So far six individuals have been placed into the disciplinary process, RBS also said.
RBS Chairman Sir Philip Hampton said:
Five banks, including RBS, have been issued fines by the Financial Conduct Authority over the foreign exchange (Forex) rigging scandal for "failing to control business practices".
Some of the key points in the Forex rigging scandal.
Regulators in the UK and US have fined banks more than £2 billion over the foreign exchange (Forex) rigging scandal.