George Osborne has said Moody's message is "explicit" to carry on with austerity.
He says "we can either abandon our efforts to deal with debts" or we can "redouble our efforts" and make a brighter future for our children.
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Up to three million children risk going hungry over the school holiday, with increasing numbers of families relying on food banks, MPs warn.
Tuesday will be a cold and windy day across the British Isles with a mix of sunshine and showers.
Some 71% of all cancer patients diagnosed in A&E had seen their GP at least once displaying symptoms which transpired to be the disease.