UN spokesperson predicts high food prices until at least 2010. Hardest-hit countries: Zimbabwe, Eritrea, Haiti, Djibouti, the Gambia, Tajikistan, Togo, Chad, Benin, Burma, Cameroon, Niger, Senegal, Yemen and Cuba. In Afghanistan, wheat rose more than 60 percent in 2007; in Bangladesh, rice went up 70 percent; in El Salvador, food prices doubled in 18 months. Anger over food prices has led to riots in Burkina Faso, Cameroon, Senegal and Morocco.