Jonathan Miller of Independent Television News reports from the border of South Sudan on a flood of refugees who fled to escaped the violence, only to encounter grim conditions in camps on the Sudanese border.

Dec 30

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It's a year that will be remembered as one that ended authoritative regimes in Tunisia, Egypt, Libya and Yemen. In 2011, the most-wanted fugitive in the world was killed in Pakistan and severe weather battered the global population.

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