An angry bank depositor hits a sign that reads "Scotiabank, Canadian crooks," fixed on closed doors of a Boston Bank branch, to protest against banking restrictions and to demand the release of their frozen deposits, in the center of Buenos Aires, April 22, 2002. Most operations of Scotiabank Quilmes, the Argentine unit of the Canadian Bank of Nova Scotia, was suspended by the Argentine Central bank due to liquidity problems amid the country's ongoing financial crisis.