Polls have closed in Scotland, with polls showing a slight edge towards union:
A YouGov on-the-day survey published shortly after polls closed suggested "No" was on 54% and "Yes" on 46%.
- Turnout is widely predicted to top the 83.9% recorded in the 1950 general election - the highest in the UK since the introduction of universal suffrage in 1918
- Ninety-seven per-cent of the electorate - 4,283,392 people - had registered to vote
- SNP deputy leader Nicola Sturgeon has hailed the ballot as "an amazing, emotional, inspirational day of democracy"
Results should be announced around midnight Chicago time tonight.