The NHS says it will interview staff at Leeds General Infirmary about their "working practices" before rubber-stamping the reopening of the hospital's children's cardiac unit.
In a statement, NHS England said it would review the "governance of the unit" and speak to staff caring for children where "incidents or complaints" had occurred.
More top news
Former Newsnight presenter Jeremy Paxman has said he no longer watches the programme but revealed he's a fan of dating show Take Me Out
Prince Harry will miss the birth of his new niece or nephew as he has flown back to Australia.
Myleene Klass is set to shock Countdown fans by giving a naughty eight-letter word as her answer on tonight's show.