By NEENA RAI and CAROLINE HENSHAW in London and SEBASTIAN MOFFETT in Paris

Drought in some areas and heavy rain in others are keeping world food prices near record levels, threatening the food supply for poorer, food-importing countries, the United Nations’ food body said Tuesday.

The Food and Agriculture Organization forecast in its biannual report that world cereal output would rise 3.5% to a record 2.3 billion metric tons in 2011—but warned that this might not be enough to replenish scarce world stocks and calm the recent turbulence in world food markets.

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