Royal Bank of Scotland has dismissed 10 traders in connection with the alleged manipulation of Libor rates, the Press Association (PA) reports, citing unidentified sources.It is not known when the traders were let go, the news agency said. RBS has not commented, PA reported.As of 08:57 shares of RBS are falling by 1.63% to the 211.8p mark, recovering partially from an earlier 3% fall. AB