Leicester City Premier League title challenge has been labelled as 'unprecedented in the history of betting' by one leading bookmaker.

After starting the season as 5000-1 outsiders they are now 4-11 favourites with a seven point adavtage over Tottenham with just 7 games to play.

David Williams told 5 live: "Ladbrokes have been around for over 130 years we cannot think of any circumstances in sport where a 5000-1 set of odds have come in and paid out."

This clip is originally from Adrian Goldberg Sunday 3 April 2016.