South Sudan suffering 'man-made' famine

South Sudan on Feb. 20 declared famine in some parts of the country, with more than three years of war leaving nearly five million hungry in what aid groups called a "man-made" tragedy.

Isaiah Chol Aruai, chairman of South Sudan's National Bureau of Statistics, said some parts of the northern Greater Unity region "are classified in famine, or... risk of famine."

Aid agencies said 100,000 people were affected by the famine, which threatened another one million people in the coming months.

"A formal famine declaration means people have already started dying of hunger. The situation is the worst hunger catastrophe since fighting erupted more than three years ago," said the statement by the World Food Programme (WFP), U.N. children's agency UNICEF and the Food and Agricultural Organisation (FAO).

South Sudan, the world's youngest nation, was engulfed by civil war in 2013 after President Salva Kiir accused his rival and former deputy Riek Machar of plotting a coup against him.

An August 2015 peace deal was left in tatters when fighting broke out in Juba in July last year.

Violence - initially between ethnic Dinka supporters of Kiir and ethnic Nuer supporters of Machar - has since spread to other parts of the country, engulfing other ethnic groups and grievances.

The United Nations has warned of potential genocide and ethnic cleansing and there is no prospect of peace in sight.

Oil-rich Unity State, a traditional Nuer homeland and Machar's birthplace, has been one of the flashpoints in the conflict and has flipped several times between government and rebel forces.

"The convergence of evidence shows that the long-term effects of the conflict coupled with high food prices, economic crisis, low...