Telegraph: Rising food prices are a "silent tsunami" which threaten to be as devastating as the worst natural disasters, an international conference has been warned. Josette Sheeran, of the World Food Programme told Gordon Brown and other political and business leaders that the international community needed to respond as effectively to the hunger crisis as it did to the 2004 tsunami which killed 250,000 and left 10 million destitute. "This is the new face of hunger – the …