<P> Food riots in southern Yemen that began in late March and continued through early April, saw police stations torched, and roadblocks were set up by armed protesters . The army has deployed tanks and other military vehicles . Although the riots involved thousands of demonstrators over several days and over 100 arrests, officials claimed no fatalities; residents, however, claimed that at least one of the fourteen wounded people has died . </P> <P> The UN (FAO) released a study in December 2007 projecting a 49 percent increase in African cereal prices, and 53 percent in European prices, through July 2008 . In April 2008, the World Bank, in combination with the International Monetary Fund, announced a series of measures aimed at mitigating the crisis, including increased loans to African farmers and emergency monetary aid to badly affected areas such as Haiti . According to FAO director Jacques Diouf, however, the World Food Programme needed an immediate cash injection of at least $1700 million, far more than the tens of million - worth in measures already pledged . On 28 April 2008, the United Nations Secretary - General Ban Ki - moon established a Task Force on the Global Food Security Crisis (2) under his chairmanship and composed of the heads of the United Nations specialized agencies, funds and programmes, Bretton Woods institutions and relevant parts of the UN Secretariat to co-ordinate efforts to alleviate the crisis . </P> <P> 2013 research concluded that the spike was the result of an unusual combination of circumstances and prices in the future will be higher than before the spike, depending on oil prices, climate change, and future diets . The impacts of the spike on poor people were concentrated in low - income countries and may have been less severe than once thought, thanks to rising rural wages in some countries . The researchers called on developing countries to ensure good data on the key indicators of distress and to strengthen social protection, and on those involved in international development to continue increasing focus on reducing child malnutrition and stimulating agricultural development . </P> <P> IFAD is making up to US $200 million available to support poor farmers boost food production in face of the global food crisis . </P>

Which major world event of 2010-11 was sparked by rising food prices according to kaufman