The victory of the Liberal Democrats in the Chesham and Amersham by-election is a clear indicator that they pose a significant threat to the Conservatives now.
The by-election in Hamilton, Larkhall and Stonehouse marks the first Scottish Parliament by-election since 2019, igniting competition ahead of next year's Holyrood elections.
Runcorn and Helsby by-election - all you need to know
The recent by-election in Runcorn and Helsby was prompted by the resignation of Mike Amesbury, who faced legal troubles leading to his resignation from the Commons.