Both sides are claiming victory in last night's crucial first Scottish independence TV debate - though commentators called it a narrow win for Alistair Darling and those trying to keep the country in the UK.
Darling clashed with First Minister Alex Salmond in the first live TV debate of the Scottish independence referendum campaign, in which Salmond, who is regarded as the livelier debater, failed to shine as the Yes campaign hoped.
With just over six weeks to go till voters in Scotland decide if the country should remain in the UK or not, the two rival politicians took part in a sometimes heated and noisy debate over the nation's future.
A Guardian/ICM poll conducted immediately afterwards indicated Labour MP Darling, the leader of the pro-UK Better Together campaign, had won the debate by 56% to 44%.
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But Scotland's Deputy First Minister Nicola Sturgeon told broadcaster STV, which had staged the independence clash: "I definitely think my side won."
She added there was "nothing about how we make our country more prosperous or how we make it fairer" from Mr Darling in the head to head showdown.
On which politician had made the best arguments in the debate, Darling was also ahead in the ICM poll, with 51% of the 512 people questioned preferring the case he had made, compared to the 40% who said the SNP leader had made the better argument.
The two-hour programme saw Salmond and Darling clash over key issues facing voters north of the border in the September 18 referendum.
Alex Salmond, journalist Bernard Ponsonby, and Alistair Darling
Darling, who was chancellor in Gordon Brown's Labour government, repeatedly pressed Salmond to set out what his "plan B" would be if an independent Scotland failed to secure a currency union to allow it to retain the pound in the wake of a Yes vote.
Meanwhile the SNP leader challenged Mr Darling several times to say whether he agreed with comments from Prime Minister David Cameron that Scotland would be a successful independent country.
The Better Together leader also accused Salmond of being ''ridiculous'' after a series of questions from the First Minister on comments said to have been made by the No campaign.
These included that Scots would have to drive on the right hand side of the road and would be more susceptible to attacks from outer space after independence.
Better Together campaign director Blair McDougall said the debate would "prove to be a huge, possibly decisive, moment in the referendum campaign".
He claimed: "Alistair Darling asked the questions Scotland needed answers to. The First Minister's failure to offer basic answers was there for all to see."
But Blair Jenkins, chief executive of the pro-independence Yes Scotland group, insisted the debate had resulted in a "clear win for the Yes campaign" with a "positive, optimistic and visionary case presented by the First Minister against another dose of negativity and scaremongering from Mr Darling".
Think tank Demos analysed the response to the debate on Twitter, which attracted some 104,000 tweets in total. Carl Miller, social media researcher at the think tank, said: "It wasn't cheers but boos that filled this new digital arena and our analysis suggests people were turned off for one of the oldest reasons of all - neither politician was keen to answer the question."
Darling's repeated questioning of Salmond's currency plans for an independent Scotland got Twitter users most excited during last night's debate, according to figures from the social media giant.
More than 2,000 tweets were sent during that point of the first live television debate on the referendum, with a total of 186,267 sent overall throughout the show.
Twitter said 72,000 tweets were made about the Yes campaign, and 31,000 about the Better Together campaign.
At the start of the debate, which took place in front of an audience of 350 at the Royal Conservatoire of Scotland in Glasgow, Salmond told voters in Scotland: ''On September 18 we have the opportunity of a lifetime. We should seize that opportunity with both hands.'' Mr Darling opened by saying he wanted to "use the strength of the UK to make Scotland stronger".
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With all three of the main parties at Westminster having drawn up proposals to transfer more power to Edinburgh in the event of a No vote, the former chancellor said: "We can have the best of both worlds with a strong Scottish Parliament, with full powers over health, over education and with more powers guaranteed.''
Mr Darling pressed the Scottish First Minister on the key issue of currency in an independent Scotland, demanding to know what Mr Salmond's "plan B" was if he failed to negotiate a currency union with the rest of the UK. Chancellor George Osborne, Labour shadow chancellor Ed Balls and Liberal Democrat Chief Secretary to the Treasury Danny Alexander have all maintained they would not allow an independent Scotland to use the pound in such an arrangement.
Mr Salmond stated: ''We will keep the pound because it belongs to Scotland much as much as it belongs to England. It's our pound as well as your pound.'' On the ''critical'' subject of an independent Scotland's place in the EU, Mr Darling questioned how long it would take to negotiate membership and what the terms of that would be.
''It's quite clear that Scotland would have to reapply, it's not at all clear what the term and conditions are that we'd have to meet," he said.
But Mr Salmond countered that Mr Darling's allies in the No campaign wanted to take the UK out of the EU, arguing: "'Isn't the real uncertainty that you have a government which is having an in-out referendum on Europe and you're in bed with people who will say that they're going to vote to leave the European Union. Isn't that the risk for Scotland?''
The two men also clashed on the finances of an independent Scotland, with Mr Darling insisting the country was better off in the UK. ''Money has flowed both ways over the last 30 years, but in the last 22 years Scotland has spent more than it has put in, so we have benefited from being part of the United Kingdom,'' he said.
Mr Salmond, however, insisted: ''In each one of the last 33 years, Scotland has paid more in tax per person than the average of the UK. "Over the last five years we have £8 billion more into the Treasury than we have had out of it, in relative terms. That is £1,500 a head for every man, woman and child in Scotland.''
