Brexit: The inside story of how the Leave campaign won

It's one month on from the UK's referendum on EU membership.

Speaking to many of the key players in the campaign on both sides, BBC Newsnight's Nicholas Watt tells the inside story of how the Leave campaign won - and how the Remain camp lost this historic vote.

Read more: Cameron considered last-ditch appeal to Merkel

This film aired as part of a Brexit Britain - a special edition of BBC Newsnight one month on from the referendum.