Economics Riot police in Iran have clashed with protesters in the capital over sharp falls in the currency, the rial. Tear gas was used to disperse the demonstrators, some of whom were setting fire to tires and rubbish bins. There were many arrests, reports say. Eyewitnesses told the BBC that scores of people gathered outside the central bank, calling for the governor to stand down, chanting anti-government slogans. The rial has plummeted to record lows against the US dollar in recent days. More from the BBC National Bank of Fujairah will replace British lender Barclays PLC on the United Arab Emirates' interbank rate setting panel, the banking regulator said on Thursday. "Following the withdrawal of Barclays Bank from the Eibor fixing process, the National Bank of Fujairah was selected by the Eibor panel banks to join the Eibor panel, starting October 8 2012," the statement said. Sources told Reuters