Health Secretary Jeremy Hunt told ITV's Daybreak that two unpublished reviews, seen by the Guardian, that allegedly detail substandard levels of care at Tameside General Hospital posed a "very serious issue".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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Sergei and Yulia Skripal remain unconscious and in critical conditions following the March 4 attack in Salisbury.
Sir Vince Cable said it was clear that Britain's EU partners would welcome a change of heart on Brexit 'with open arms'.
Visitors to Salisbury city centre are down 90% in the wake of the nerve agent attack on former Russian spy Sergei Skripal and his daughter.