Jan. 20 (UPI) -- Lucy Letby, a British nurse convicted in the deaths of seven infants, will not be charged with any other deaths, the Crown Prosecuting Service said Tuesday.

Letby, 36, was sentenced to 15 life sentences for the seven murders and eight other attempted murders on seven more babies between June 2015 and June 2016.

She was arrested in 2018 after an investigation by the Cheshire Constabulary. The Countess of Chester Hospital Foundation Trust contacted the department in May 2017 about a higher number of infant deaths than usual in its neonatal unit.

The CPS said it was asked to consider that Letby may have killed or tried to kill more babies.

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