300 British troops have been deployed to Mali in west Africa. They have joined the United Nations peacekeeping mission to the country.
It’s one of the most dangerous operations undertaken by the UN. More than 200 peacekeepers have lost their lives there since the mission began eight years ago.
Mali is suffering from a rise in violent Islamist extremism as well as severe poverty.
Reeta Chakrabarti presents BBC News at Ten reporting by defence correspondent Jonathan Beale and cameraman James Anderson.
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