Sources say Mr Yousaf will "come out fighting" after the Greens said they will join the other opposition in a vote of no confidence next week.

Scotland's first minister battling to save job - follow live

Mr Yousaf announced his plan to cut ties with the Greens on Thursday, following a bitter row over the SNP's climbdown on climate targets.

And soon after, the Scottish Conservatives announced it would lodge a vote of no-confidence in him, claiming the first minister had "failed" in his role and had "focused on the wrong priorities for Scotland".

Both Labour and the Liberal Democrats agreed to back the motion, with its success hanging on whether Green Party MSPs joined the attack to give SNP critics a majority in Holyrood.

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