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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Police say several people have been wounded in a stabbing in Turku in western Finland.
Longer spells of rain across eastern Scotland with a weather warning in place until 6pm.
Julian Cadman, who is thought to have dual British-Australian nationality, became separated from his mother who was injured in the attack.