A rioter stands atop a burning car
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Baltimore protests: Police and demonstrators clash

28 April 2015 Last updated at 14:26 BST

The US city of Baltimore has declared a state of emergency amid violent protests over the death of a black man fatally injured in police custody.

A week-long curfew has been announced and as many as 5,000 National Guard troops could be deployed.

Aleem Maqbool reports.