India, Sept. 14 -- "We are part of a tidal wave," hollered Tommy Robinson to the sprawling crowd.

"Britain has finally awoken, and this is never going away," he declared, calling the rally "the spark of a cultural revolution in Great Britain."

"We have to stop illegal migration into this country," he screamed, asserting that his movement had long been unfairly labelled "racist" and "Islamophobe" - claims that, he vowed, would no longer silence his supporters.

The weekend's "Unite the Kingdom" rally in London - attended by more than 110,000 people and marred by violent clashes with police - has once again placed Robinson at the centre of public debate.

Born Stephen Yaxley-Lennon, he remains one of Britain's most polarising figures: pra...