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In 60 secs: South Sudan famine warning

3 July 2014 Last updated at 08:10 BST

The rainy season is approaching in South Sudan - and ongoing conflict in the world's newest country could take a heavy toll.

Four million people - more than a third of the population - are likely to face critical food shortages next month unless they receive urgent aid, British aid agencies warn.

BBC News looks at what that means - in 60 seconds.

Video produced by Michael Hirst, with footage and photographs from Oxfam, AP and AFP