A mother and her six children died when their home in Central Pennsylvania exploded and caught fire Sunday morning, state police reported.

The explosion occurred at a residence in the central part of the state, though authorities have not released the specific location or identities of the victims. State police are investigating the cause of the blast.

Emergency responders arrived at the scene to find the home engulfed in flames following the explosion. All seven family members were found deceased at the scene.

The incident marks one of the deadliest residential explosions in recent Pennsylvania history. Investigators are working to determine what caused the home to explode, though no preliminary findings have been released.

State police have not provided additional details about the ages of the children or the timeline of events leading up to the explosion. The investigation remains ongoing.