A demonstrator hurls a tear gas canister back towards police lines in Fergusson, Missouri, after an apparent peaceful demonstration was broken up by heavily armed police officers overnight.
Police chief Thomas Jackson, who has been the public face of the city torn by the death on Saturday of Michael Brown, 18, said earlier that the St Louis County investigation of the shooting could take weeks to complete.
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Broadcast journalist and anchor Mark Austin will step down from his role as presenter of ITV Evening News at the end of the year.
The host of ITV's morning show had to be helped up by security after falling on the floor as a guest launched herself at her own sister.
A "socially irresponsible" advert has been banned for suggesting happiness and self-confidence could only be achieved through weight loss.