Police block demonstrators in Los Angeles on 26 November
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Ferguson protests: Brown family news briefing

A dozen US cities have seen new protests over the decision not to charge a white policeman who shot a black teenager in Ferguson, Missouri.

Michael Brown, 19, was unarmed when he was killed on 9 August.

Reverend Al Sharpton joins the parents of Michael Brown, Lesley McSpadden and Michael Brown, for a news conference in New York.

Go to next video: Ferguson policeman: 'I did my job right'