People's Vote march: In picturesReutersYoung and not so young attended a march through London calling for a referendum on the final Brexit deal. The People's Vote campaign, which organised Saturday's march and rally, said about 700,000 people attended.ReutersMany young people who were unable to vote in the 2016 referendum because of their age joined Saturday's march, saying they would have to live with the consequences of Brexit. Polls have suggested a growing division among young and old voters.Some 150 coachloads of people from across the UK - including as far away from London as Orkney - travelled to the March for the Future. It was followed by a rally in Parliament Square.AFPMayor of London Sadiq Khan - who started the march - said young people's futures "were on the line". "Nobody voted to make life harder for our children and grandchildren."Marchers call for 'people's vote' on BrexitFourteen-year-old Bea (r) - who travelled to the march from Norwich with her mum Emma and her brother, Richard, told the BBC her generation was "being left to sort out the mess".Aerial footage shows crowds covering roads in the city centreReutersAmong the targets of the protesters' wrath were key Brexiteers such as Boris Johnson and Nigel Farage. Ex-UKIP leader Mr Farage led a pro-Brexit rally in Harrogate on Saturday.Gianni, Oli and Ali (l-r), all in their 30s, travelled from Bristol to join the march. Ali, 38, said they "wanted to show people we care and Brexit can be stopped".PAPlacards ranged from the comic to the combative. This Banksy-inspired banner was one of the more eye-catching placards carried on Saturday's march.PAPrime Minister Theresa May did not escape marchers' animosity.PAThe People's Vote said stewards on the route estimated 670,000 took part - "far above" the number who marched at a similar event in June this year. MPs from all the main political parties supported the demonstration.PADragons Den star Deborah Meaden was among the celebrities who joined anti-Brexit campaigners at the rally following the march. Other well-known faces attending included actors Andy Serkis and Steve Coogan.ReutersDemonstrators in London asked if Brexit was worth it. But Richard Tice, founder of Leave Means Leave and former co-chair of Leave.EU, told the BBC a second referendum would be "incredibly damaging" for democracy.Brexit: All you need to knowQ&A: The Irish border Brexit backstopBrexit: Your guide to EU jargonMarchers call for 'people's vote' on Brexit