The prime minister appeared to compare supporters of independence with dictators in a controversial speech.
The former deputy first minister was crowned without a contest.
The veteran MSP is the clear favourite to take over from Humza Yousaf as Kate Forbes announced she would not stand.
High turnover within the party's leadership and no public mandate? Sounds familiar...
The SNP's 20-year rule is looking very shaky.
He has quit rather than face a vote of no confidence later this week.
The embattled first minister has quit after barely a year in the job.
The first minister's political future is hanging in the balance.
The SNP leader faces two votes of no confidence next week.