Why did Lisa Cameron defect to the Tories?
Lisa Cameron MP has quit the SNP to join the Conservative party, just days before the SNP holds its party conference in Aberdeen. What does this say about the state of the Scottish National Party under Humza Yousaf? James Heale talks to Isabel Hardman and Lucy Dunn.
Produced by Max Jeffery and Cindy Yu.
Produced by Max Jeffery and Cindy Yu.