There were 25 arrests in London on Saturday as up to 150,000 people turned up to join a march organised by far-right activist Tommy Robinson.
Protesters forming the "Unite the Kingdom" rally gathered in the centre of the capital, holding Union and St George's flags.
They heard a series of speeches, including from Mr Robinson , who called it the "biggest freedom of speech" in British history.
Police estimated that between 110,000 to 150,000 attended the event, significantly exceeding the estimates of organisers.
Image: Activists fly flags and carry wooden crosses during the 'Unite the Kingdom' march in London. Pic: Reuters
An anti-racism counter-protest, attended by about 5,000 campaigners, also took place, with the two groups clashing on Whitehall and Trafalgar Square, separated