Sri Lanka, Sept. 14 -- More than 100,000 protesters marched through central London on Saturday, carrying flags of England and Britain and scuffling with police in one of the UK's biggest right-wing demonstrations of modern times.

London's Metropolitan Police said the "Unite the Kingdom" march, organised by anti-immigrant activist Tommy Robinson, was attended by around 110,000 people, who were kept apart from a "Stand Up to Racism" counter-protest attended by around 5,000.

The police appeared to be taken by surprise by the size of the turnout, describing the rally as "too big to fit into Whitehall," a wide street lined with government buildings, on the approved route of the march.

Police trying to prevent protesters veering from the rou...