 Conservatives. Here's Helen Catt. Mr Johnson made an 11th hour entrance to the campaign trail. Four and a half years ago he led his party to a substantial win. Now he was warning against handing an even bigger one to Sir Keir Starmer. He claimed that Labour would use a sledgehammer majority to destroy much of what they'd achieved, a message that Rishi Sunak will continue to push on the campaign trail today.