Lucy Letby repeatedly raised the alarm about the poor care of babies in the hospital where she worked, according to bombshell documents obtained by The Mail on Sunday.

Letby is serving 15 whole-life orders after murdering seven infants and attempting to murder seven others between June 2015 and June 2016

Lucy Letby repeatedly raised the alarm about the poor care of babies in the hospital where she worked, according to bombshell documents obtained by The Mail on Sunday.

Former nurse reported concerns over lack of resources on unit to deal with emergencies