Food prices will remain high over the next decade meaning millions more risk further hardship. A report published by the OECD and the UN's FAO food agency, ahead of next week's world food summit in Rome, urged immediate humanitarian aid for those worst affected. The paper also blamed biofuel for using up grain that could otherwise feed people and livestock. Speaking at an aid conference in Japan, the director of the World Food Programme, Josette Sheeran, said the effects could be catastrophic. (SOUNDBITE) (English) JOSETTE SHEERAN, EXECUTIVE DIRECTOR AT WORLD FOOD PROGRAM (WFP) SAYING: "Record high prices of food and fuel are a painful pinch for consumers all over the world, but for those who are living on less than a dollar a day, it's devastating. If these prices are sustained, the world's bottom billion could become the world's bottom two billion virtually overnight just because their purchasing power has been cut in half almost overnight." Drought in big commodity-producing...