A pet dog of a family of three rescued his owners, who had fallen unconscious due to carbon monoxide poisoning, in a village in Hohhot, the Inner Mongolia autonomous region, on Sunday.

The dog continuously scratched a neighbor's door and barked till someone answered and followed him to his masters' bedroom, where the three were lying unconscious.

The neighbor called the police, who rushed the family to a local hospital.

All of them are out of danger now.