Alex Salmond has the first large round of applause of the evening, on the issue of currency union. He told Alistair Darling:
If you win this referendum I'll accept it's a 'No' vote. If the 'Yes' side wins the referendum, will you accept the sovereign will of the Scottish people and accept a currency union?
With just a few weeks to go until the Scottish independence referendum takes place, here are some key facts about the vote.
An investigation has been launched after listings appeared on eBay offering to sell votes in the upcoming Scottish independence referendum.
Bounce for leaving the union following second debate this week, but only 43% expected to vote yes in referendum on September 18