A woman was arrested by Coon Rapids Police Wednesday afternoon for the alleged physical assault of an infant, KARE-TV reported.
The 29-year-old Coon Rapids woman had been babysitting the child and was a friend of the victim's family, the Star Tribune reported.
Police were called to the 106th block of Grouse Street NW at about 1:30 p.m., the Star Tribune reported.
The baby was taken to Mercy Hospital and later to St. Paul Children's Hospital, KARE-TV reported. The child was listed in critical condition.
The sitter was booked in the Anoka County Jail pending charges, KARE-TV reported. Authorities said she admitted to shaking and throwing the baby, according the Star Tribune.