An infant was killed and the child's parents injured in an apparent attack by a dog at a New Jersey home over the weekend, authorities said.

Middlesex County prosecutors and Woodbridge police said officers responded to the Woodbridge Township home shortly before 6:30 a.m. Saturday over a report of an unresponsive baby believed to have been attacked by the family dog.

Authorities said officers found that the mother and child "had sustained serious injuries from the dog."

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The baby was pronounced dead at the scene. The mother and father were taken to a hospital for treatment.

The names of the victims weren't immediately released, and officials didn't clarify the current status of the animal.

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Authorities described the investigation as "active and continuing" and asked anyone with information to call Woodbridge police and county prosecutors.