Scottish independence: why a second vote is back on the table

Scotland's first minister Nicola Sturgeon presses for a new referendum - but could it really happen?

Nicola Sturgeon's speech at Bute House on Monday in effect challenged Theresa May to give Scotland, which voted in favour of remaining in the EU by 62% to 38%, special access to the single market and substantial new powers or face a second Scottish independence referendum.

Related: Nicola Sturgeon expected to set out plan for Scottish independence vote