Armed police in Ferguson
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Missouri unrest: Ferguson resident confronts police

Police have used tear gas and stun grenades in clashes with protestors demonstrating over the killing of Michael Brown in Ferguson, Missouri.

The black 18-year-old was shot several times in the St Louis suburb by white policeman Darren Wilson, sparking racial tensions in the area.

Listening to the concerns of a local resident, Police Captain Ron Johnson, said there was an "element bent on causing conflict".

Go to next video: Clashes in Ferguson see tear gas used