Child serial killer Lucy Letby has formally lodged a bid to challenge her convictions at the Court of Appeal, officials have confirmed.Court staff said on Friday that they had received an application for permission to appeal against all of the nurse's convictions.Letby, 33, was sentenced to a whole life order after jurors convicted her of the murders of seven babies and the attempted murders of six others at the Countess of Chester Hospital's neonatal unit in 2015 and 2016.

Child serial killer Lucy Letby has formally lodged a bid to challenge her convictions at the Court of Appeal, officials have confirmed.Court staff said on Friday that they had received an application for permission to appeal against all of the nurse's convictions.Letby, 33, was sentenced to a whole life order after jurors convicted her of the murders of seven babies and the attempted murders of six others at the Countess of Chester Hospital's neonatal unit in 2015 and 2016.