Nigeria's currency riots

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Nigeria's currency swap is causing unrest among its people. Three months ago the government introduced newly designed notes or Naira - and asked people to swap their old notes. The deadline for that was supposed to be last Friday. But not enough new notes have been released, leaving many without cash to pay for vital items. We also look at Argentina's eye-wateringly high inflation rate. (Picture: The (old) Nigerian naira. Getty Images)