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.
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The decision was made after two Russian athletes failed drugs tests at the PyeongChang Games.
Sunday will be dry and largely sunny, although there will be some patchy cloud, mainly across eastern Scotland and eastern England.
County lines crime is to be targeted in a new scheme designed to steer young people and children away from exploitative gangs.