Clashes erupted in London Saturday and police made 25 arrests after up to 150,000 people massed for one of the largest-ever far-right protests in Britain, organised by activist Tommy Robinson.

Police said 26 officers were injured, four seriously, after facing "unacceptable violence" while trying to control the crowds, many draped in English and British flags, during several tense hours on the rally's fringes.

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