The house is believed to have collapsed due to an explosion, local authorities said. The father of the kids and their 2-year-old brother were hospitalized after the incident.

Officials in Italy say a two-story building has collapsed in the southern province of Naples, killing two young siblings and their grandmother, while burying the children’s mother under the rubble.

A two-story building has collapsed in the southern Italian province of Naples, killing two young siblings and leaving their mother and another woman trapped under, Italian firefighters said.