Brexit march: '700,000' protesters walk through London

Hundreds of thousands of demonstrators turned out for the People's Vote march in London, demanding a final say on any Brexit deal between the UK and the EU.Speakers included Tory MP Anna Soubry, Labour's Chuka Umunna and Lib Dem leader Sir Vince Cable.Mayor of London Sadiq Khan also addressed the crowds as several celebrities turned out for the event and posted photos online of the march.