WICKLIFFE, Ohio (AP) — Police say an 11-year-old girl in northeast Ohio has been charged with murder in the beating death of a 2-month-old who was staying overnight with the girl and her mother to give the baby’s mom a break.

Wickliffe police Chief Randy Ice said at a news conference Monday that the 11-year-old, her mother and the baby girl were on a couch downstairs when the mother fell asleep at about 3 a.m. Friday. The mother was awakened less than an hour later by her daughter, who was holding the badly injured infant.

The baby died later at a hospital.

A juvenile judge entered a not guilty plea for the girl on Monday. She remains in the Lake County juvenile detention center and will receive a competency evaluation.