London Mayor Boris Johnson said that in London "police will be taking every possible precaution" to make sure that the London Marathon and Margaret Thatcher's funeral can go ahead as planned.
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After a wet and windy start to the week, conditions will gradually improve, with temperatures creeping up, and up.
A slowly improving day across southern parts of the UK as the active frontal system moves away southwards.
The broadcasting watchdog may decide to investigate whether viewers were misled by the use of a 'doggy double' in the BGT final.