Health Secretary Jeremy Hunt told ITV's Daybreak that two unpublished reviews, seen by the Guardian, that allegedly detail substandard levels of care at Tameside General Hospital posed a "very serious issue".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.
More top news
A five-year-old boy whose surprise meeting with "Spiderman" became an online hit has died.
It's going to feel very cold in parts today, with temperatures between 3C and 6C before falling to as low as -6C in some areas overnight.
A son paid off his parents' mortgage for Christmas - reducing them to tears.