Hundreds of protesters have gathered outside the US Embassy in London to voice their disgust at a grand jury decision not to prosecute the police officer who shot an unarmed black teenager dead in the US.
Michael Brown was killed by officer Darren Wilson in Ferguson, Missouri, who will now face no criminal charges.
More than 1,000 demonstrators chanted "jail racist cops" and "killer police off our streets", holding placards reading “Black lives matter”.
The aunt of Mark Duggan, the black teen shot and killed by police in London, sparking nationwide riots, was also there.
Armies of protesters took to the streets following the Ferguson shooting decision, in a sign of the monumental challenge now facing America.
The police officer who shot dead Michael Brown says he has a clear conscience over his actions.