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For almost a decade a civil war has been grinding on in Yemen, pushing the Arab world’s poorest country to the brink of collapse.
There has been less violence since a ceasefire last year but there is no sign of a deal to end the conflict.
Ahmed is a charismatic 11-year-old blind boy the BBC first featured two years ago when he was teaching a class in a bombed-out school close to the front line.
Orla Guerin and her team returned to the city of Taiz to find out how he was getting on.