Johnson's pro-Brexit Conservative Party lost seven of its 13 Scottish seats at the general election as the SNP's share of the vote surged 8.1 per cent to 45 per cent. The party now holds 48 of the 59 MPs in Scotland in a result that has been widely interpreted as evidence that many Scots have not given up on splitting from the UK and joining the European Union following the loss of the first independence referendum in 2014.
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Johnson has repeatedly opposed the idea of the second poll and as Prime Minister of the United Kingdom holds the power to stop one.
But Sturgeon on Friday said the SNP would next week publish a"detailed democratic case"for a transfer of power from Westminster to Edinburgh to allow the new poll,which could possibly outline a legal challenge.
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She said the election offered a mandate for the"Scottish parliament,not a Westminster government,to decide whether and when there should be a new independence referendum".
"It is clear,beyond any doubt,that the kind of future desired by the majority of Scotland is very different to that chosen by much of the rest of the UK,"Sturgeon said.