No criminal charges will be filed in the horrific Christmas morning house fire in Connecticut that killed three girls and their grandparents, a prosecutor announced Friday.

According to Stamford State's Attorney David Cohen, there was not enough evidence to prove a significant level of criminal negligence was present the morning of the tragic blaze that killed 7-year-old twins Grace and Sarah Badger, 9-year-old Lily Badger and grandparents Lomer and Pauline Johnson.

The girls' mother, Madonna Badger, an ad executive in the fashion industry, and her boyfriend, Michael Borcina, were the lone survivors.

Borcina had been doing work at the $1.7 million house next to the Long Island Sound, which was razed after the fire out of safety concerns.

The fire is believed to have been caused by embers that had been removed from the home's fireplace. Borcina reportedly put the ashes in a bag and placed it in a back room so the children would not worry about Santa Claus coming down the chimney.

Fire officials have said it appears there were no working smoke detectors in the house.