John Simpson on a street in Kabul
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Simpson in Kabul: UK's legacy for Afghanistan's future

The last UK troops have left Helmand in Afghanistan, leaving Afghan forces in control of the entire site.

British forces were part of a US-led coalition which toppled the ruling Taliban in 2001, following the 9/11 attacks.

BBC's World Affairs Editor John Simpson evaluates their successes and failures over the past 13 years.

  • 27 Oct 2014
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