Health Secretary Jeremy Hunt told ITV's Daybreak that two unpublished reviews, seen by the Guardian, that allegedly detail substandard levels of care at Tameside General Hospital posed a "very serious issue".
Mr Hunt said he was doing "an enormous amount" to stop poor care in hospitals pointing out a "tough new inspection regime" that will be introduced this year.
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Higher food and petrol prices are expected to send inflation to its highest level in 28 months when official figures are released later.
The Prime Minister will detail her 12-point plan on negotiating Britain's exit from the European Union during a speech on Tuesday.
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