Anti-terrorism police are investigating claims of sectarian violence between Shi'ite and Sunni Muslims after an Iraqi refugee was attacked in a suspected hate crime in central London.

Five men have been arrested following the attack, which took place in Edgware Road on 10 May after a rally against the Syrian regime, where radical cleric Anjem Choudary was a speaker.

SO15, the Metropolitan Police's counter-terrorism branch, has been drafted in to conduct the investigation into violent disorder and suspected grievous bodily harm.

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