Protesters clashed with riot police in Missouri overnight after police reports released earlier said a black teen was a suspect in the theft of cigars from a store minutes before an officer shot him dead.
Racially charged protests in the Missouri town of Ferguson entered their sixth night since the death of Michael Brown on August 9.
Highway Patrol Captain Ron Johnson said police fired a teargas canister at a crowd near a food and liquor store and broader violence and looting erupted.
There remains little clarity surrounding the moments leading up to Brown's death.
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The boy was found unconscious and in cardiac arrest and was rushed to hospital where he died.
The victim, who was wearing her uniform at the time, was found knocking on doors nearly four hours after she was abducted.
There will be gales across Scotland and northern England this morning, but these will gradually ease through the afternoon.