MILWAUKEE (CBS 58) – The Milwaukee Police Department is investigating the death of a 7-week-old female baby.

MPD was called around 5:35 a.m. on Tuesday to N. 91st St. and W. Keefe Ave. Authorities say after a preliminary investigation, co-sleeping could have been a factor in the death.

The incident remains under investigation.

For more information on safe sleeping and other newborn care, be sure to watch our interview with Dr. Kevin Dahlman, Medical Director with Aurora Children's Health by clicking here.