British police investigating the deaths of eight babies at the Countess of Chester Hospital say they've arrested a female healthcare worker.
An inquiry started last year when health bosses called detectives after a number of independent expert medical reviews.
Officers are looking at the deaths of 17 babies and 15 non-fatal collapses between March 2015 and July the next year.
Sky's Ashish Joshi has a statement from the hospital:
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