The International Monetary Fund's World Economic Outlook update predicted that the global economy would grow 0.1% less than anticipated.
The global economy is now forecast to grown by 3.5% in 2013 and 4.1% in 2014.
Much of the reduction stemmed from a weaker outlook for the eurozone.
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Colombia's government and the country's biggest rebel group have reached an historic peace deal, ending half a century of hostilities.
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Becoming mostly dry this morning then thundery showers developing during the afternoon.