The Prime Minister said his "thoughts and prayers" are with MP Paul Goggins and his family after he collapsed during a run with his son.
David Cameron said: "My thoughts and prayers, like those of MPs across Parliament, are with Paul Goggins MP and his family following the sad news that he has been taken seriously ill."
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The mum wrote the emotional letter after her eight-year-old with Down's syndrome was the only child in his class not invited to a party.
More than 1,800 litter pickers will clear an estimated 57 tonnes of reusable items and half a million sacks of rubbish.
Time for Project Let's-Make-the-Best-of-it.