In response the British Bankers' Association (BBA) started publishing LIBOR rates in 1986 and they quickly became a vital reference point for the pricing of financial instruments.
Paul Tucker's communication with Barclays senior management came after there'd been a BBA review into allegations of Libor manipulation, and after months of press comment.
Each day the British Bankers' Association (BBA) and the European Banking Association publish the Libor and Euribor rates by taking an average of the estimated rates submitted to them by leading banks.
Mr Browne said the BBA, which was in charge of collating the data used to set Libor - a key bank lending rate which became discredited after revelations of manipulation by banks - would do everything it could to fix the issue.