The Royal Bank of Scotland has sacked four traders over their alleged involvement in the Libor-fixing scandal, it has emerged. BBC business editor Robert Peston says the dismissals happened at the end of last year. RBS is one of a number of banks being investigated for possible rigging of the key bank lending rate. The news comes days after Barclays became the first bank to be fined for false reporting of it. Barclays was fined £290m ($450m) after the Financial Services Authority (FSA) found its traders had lied about the interest rate other banks were charging it for loans.....Read more here: RBS has sacked four traders over the Libor-fixing scandal