"Nicola Sturgeon, the SNP leader, and Michael Heseltine, the former Conservative cabinet minister, are amongst the keynote speakers due to address the end of the People?s Vote march on Saturday, where hundreds of thousands are expected to attend. Other political figures include Labour MPs Jess Phillips and David Lammy; Conservatives MPs such as former cabinet minister Justine Greening; the former attorney general Dominic Grieve; the Independent Group MP Anna Soubry; the Lib Dem leader Sir Vince Cable; and Green MP Caroline Lucas. Speeches are due to begin around 2.45pm in Parliament Square with a feed relayed to large screens in Trafalgar Square."