People wait to leave the besieged town of Madaya, northwest of Damascus, Syria.
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Syria: UN face 'a wall of humanitarian demand'

The UN says the world is facing a "mega crisis", amid difficulties in getting aid into parts of Syria.

Talks aimed at finding a political solution to the war in Syria are expected to start in Geneva on Friday and last for six months.

Nick Bryant reports.

  • 28 Jan 2016
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