Editorial: A Tory collapse, the SNP’s slump and Reform’s rise signal a volatile shift – and the return to deal-making after the next Holyrood election

Labour celebrated the ‘incredible’ win in the central seat of Hamilton, Larkhall and Stonehouse, as voters rallied around popular local candidate Davy Russell

PM congratulates Davy Russell but Reform also performed strongly, gaining third place with 26% of the vote

Editorial: A Tory collapse, the SNP’s slump and Reform’s rise signal a volatile shift – and the return to deal-making after the next Holyrood election