Health and safety rules have been introduced at the London Fields Lido in Hackney, north London, for the protection of the pool's users. But the policy raised fears that health and safety guidelines were being taken too far. Swimmers were warned that they might have to leave the water if the heavy rain increased, but they were allowed to stay when the weather lifted.

Hackney Council said the rules were only enforced in extreme weather, when there was torrential rain, hail or thick fog. A spokeswoman said: "Very occasionally extreme weather can impair visibility for our lifeguards. We make no apology for providing protection for swimmers from drowning."

Well... you wouldn't want to get wet, would you?

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