Police in riot gear walk past a burning building in Ferguson, Missouri
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Ferguson: 'Looting and burning' as police and protestors clash

Police have clashed with protesters in Missouri, after a grand jury refused to charge a policeman over the death of unarmed black teenager Michael Brown.

Shots were fired, and cars and buildings burned.

Michael Brown, 18, was killed by Darren Wilson in Ferguson on 9 August. His death sparked weeks of demonstrations.

The BBC's Rajini Vaidyanathan reports from a command centre in the town, where the National Guard, police and emergency services are coordinating operations.

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