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Millions across the world already rely heavily on food help to survive.
David Beasley, head of the World Food Programme (WFP), said immediate action was needed to prevent a catastrophe.
A report approximates that the number suffering from appetite might nearly double from 135 m to more than 250 m.
Those most at danger are in 10 countries impacted by dispute, economic crisis and environment modification, the WFP states.
Even before the pandemic h