London, Sept. 13 -- Thousands of protesters marched through central London on Saturday, carrying flags of England and Britain, for a demonstration organized by the anti-immigrant and anti-Islam activist Tommy Robinson, New York Post reported, citing its sources.

'Unite the Kingdom' and 'Stand Up To Racism' were the two groups protesting.

As per the Metropolitan Police, both the groups attacked each other with projectiles, which the officers tried to curb. In the process, Unite the Kingdom protesters attacked the police personnel. Police arrested nine protesters, and more have been identified for various other offences.

In a post on X, the police said, "An update as of 16:50hrs. The turnout for the 'Unite the Kingdom' protest was too bi...