An estimated half a million people gathered in London for "the biggest demonstration ever against the far right", organisers said.Protesters carrying placards saying "No to racism, no to Trump", and "Refugees welcome" marched through the capital to Whitehall amid a heavy police presence, with officers lining the streets.Organisers said their estimates showed they had successfully outnumbered the Tommy Robinson-led Unite the Kingdom rally in London in September.

An estimated half a million people gathered in London for "the biggest demonstration ever against the far right", organisers said.Protesters carrying placards saying "No to racism, no to Trump", and "Refugees welcome" marched through the capital to Whitehall amid a heavy police presence, with officers lining the streets.Organisers said their estimates showed they had successfully outnumbered the Tommy Robinson-led Unite the Kingdom rally in London in September.