Campaigners to protest on the causes of hunger crisis

Ministers will host a "Nutrition for Growth" event in London on Saturday to focus on nutrition in some of the world's poorest countries.

Campaigners will gather in Hyde Park to urge G8 action on the causes of the hunger crisis, speakers include Bill Gates and Rowan Williams.

It comes as a report in the Lancet has found:

• Last year at least 50 million children were affected by wasting, and 100 million children were underweight
• Over 90% of underweight children were in Asia or Africa, with Africa the only major world region where the number of children with stunting has increased in the last decade

• Rates of malnutrition in childhood are not falling quickly enough, with stunting affecting at least 165 million children worldwide in 2011