The first minister says his party has "soul searching" to do after a series of losses to Labour.
The party only has 14 MPs but hopes to make the most of hostility towards the government.
We look at the performance of the party and its leader as the Lib Dem conference gets going.
Amy Callaghan won East Dunbartonshire for the SNP on Thursday, beating the Lib Dem leader.
The leader of the Scottish party said Jo Swinson "has paid a hard price" for saying she wanted to stop Brexit.
The first minister says most people in Scotland want a "very different future" to the rest of the UK.
Boris Johnson visits Sedgefield in north-east England, which has returned its first Conservative MP for 84 years, following the party's general election victory.
47 MPs have lost their seat in the 2019 general election - what happens to them now?
Lib Dem leader Jo Swinson and the Conservatives' Zac Goldsmith are among those to lose their seats.
