Egypt's government is struggling to contain a political crisis sparked by rising world food prices. Violent clashes have broken out at long lines for subsidized bread, and the president, worried about unrest, has ordered the army to step in to provide more.

The crisis in the world's most populous Arab country and a top U.S. ally in the Mideast is a stark sign of how rising food prices are roiling poorer countries worldwide. The World Food Program on Monday urged countries to help it bridge a funding gap in food assistance caused by higher prices.