Voedselprijzen stijgen in kwetsbare arme landen

A labourer unloads sacks of onions from a supply truck at a vegetable wholesale market in the southern Indian city of Chennai July 16, 2012. India's wholesale price index (WPI) rose a lower-than-expected 7.25 percent in June from a year earlier, mainly driven by higher food prices, government data showed on Monday. REUTERS/Babu (INDIA - Tags: BUSINESS FOOD) REUTERS