
James Heale has narrated this article for you to listen to.
With Labour 20 points ahead in the national polls, a lot of Tories have already written off next month’s mayoral contest in the capital. London, they maintain, is a Labour city that occasionally votes Conservative. But supporters of Sadiq Khan and his Tory challenger Susan Hall agree: it’s going to be closer than many think.
The mayor’s image is as likely to be found on Conservative
leaflets as on Labour ones
Three factors are held by both camps to be at play.

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