The parents of the two toddlers killed in a Bronx radiator blast are demanding answers.

Danielle and Peter Ambrose lost their 1-and 2-year-old daughters at their Hunts Point apartment back on December 7.

The attorney representing the couple says they are both grief-stricken, and are now doing everything they can to find out what happened and who should be held responsible.

The toddlers died after the radiator's steam filled the room and left them with severe burns.

The family lived in one of the five units at a cluster site, which is a landlord-operated homeless shelter.

No arrests have been made in connection with the incident.