Video posted to Snapchat shows the girls laughing as one of them places the crying baby in the refrigerator before she closes the door completely and says "bye".
Disgusting footage shows the barely clothed tot being placed on a glass plate in the fridge and the two girls closing the fridge door.
The two babysitters have been charged with child endangerment, assault and battery with a unsafe weapon. She says she had no idea of the incident until she was shown the video, that was posted on Snapchat, by police.
The girls' names are being withheld due to their age.More news: Merger of Two AIADMK Factions on Cards in Tamil Nadu
Ambrose said the infant is with a parent and is doing well.
Following the incident, the infant's mother said she will not allow her niece near her child again.
"I was just traumatized by it", the mother said. "My niece is a good-hearted girl who wouldn't hurt a fly", she told WBZ-TV. "I think it was all foolishness, stupidity", Bonnie continued.
Two teenage babysitters are taking heat after allegedly chilling a baby inside a refrigerator. These teenagers, I don't believe they did it to harm my child.More news: Branden Albert Is Reconsidering His Week-Old Retirement
The Department of Children and Families, Danvers Police, and the Essex County District Attorney's Office are involved in the investigation.
"You live, you learn and this is a lesson my niece will learn: to be careful who you leave your children with".
She said, "You can't trust anyone, not even your own family".More news: Taylor Swift in federal court over groping allegation