Moray MP Douglas Ross will be on the ballot paper for the contest after passing the 100-nomination threshold.
Carlaw steps down less than a year before the next Holyrood election.
Nicola Sturgeon 'emphatically' rejects message of activists calling on English visitors to stay home.
A group of pro-independence activists staged a demonstration on the A1 calling on visitors to stay out.
More than 11,000 care home workers have been tested of Scotland's 50,000-strong workforce.
The Scottish Conservatives accused Jeane Freeman of multiple failures and urged the FM to 'take the blinkers off'.
The FM was challenged over care homes as new figures showed more than 1700 deaths of residents from Covid-19.
Jackson Carlaw said the scandal over Dominic Cummings' lockdown trip to Durham had become too big a distraction.
Coronavirus testing in Scotland has also been extended to anyone over the age of five with symptoms.
First Minister Nicola Sturgeon says she is 'minded' to ban mass gatherings as of next week.
Revealing his new shadow cabinet, new Scottish Tory leader Jackson Carlaw made a raft of changes.
Scottish party leaders delivered their New Year messages ahead of the start of a new decade.
She was challenged by Jackson Carlaw at the final FMQs before the general election.
The SNP, Scottish Tory, Scottish Labour and Scottish Lib Dem leaders clashed on the BBC.
The debate will be broadcast live on STV at 8pm on Tuesday night.
Nicola Sturgeon, Jackson Carlaw, Richard Leonard and Willie Rennie went head-to-head.