Nurse allegedly injected milk and air into girl at hospital in Chester after helping mark her 100th day of life
Lucy Letby tried to murder a baby hours after she had helped make a banner to celebrate the girl becoming 100 days old, a court has heard.
The infant reached the milestone after she was born 15 weeks premature at Arrowe Park hospital, Wirral, in May 2015, a jury at Manchester crown court was told.
