PORT-AU-PRINCE, HAITI – JANUARY 29: Firefighters battle one of several suspicious blazes in the Iron Market area January 29, 2010 in Port-au-Prince, Haiti. Hundreds of thousands remain displaced and the U.N. World Food Program has estimated that of the 2 million people requiring food aid, less than 500,000 had received it as of January 28. (Photo by Mario Tama/Getty Images)