Labour leader Sir Keir Starmer said his party "blew the doors off" in a by-election in Scotland after it enjoyed a higher-than-expected 20.4 percentage point swing from the SNP.The result led analysts to believe that Labour could return to being the largest party north of the border and open the door to 10 Downing Street if it is replicated at the next general election.

Labour leader Sir Keir Starmer said his party "blew the doors off" in a by-election in Scotland after it enjoyed a higher-than-expected 20.4 percentage point swing from the SNP.The result led analysts to believe that Labour could return to being the largest party north of the border and open the door to 10 Downing Street if it is replicated at the next general election.