Last week police raids targeted a network of fentanyl dealers in Fall River and the Providence area – and now a Rhode Island police dog is back on the job after he became exposed to the deadly drug during "Operation Mouse Trap."

K9 Ajax was administered Narcan during a warrant search of a home in Smithfield, Rhode Island. Officer Dave Walsh took the quick action when he noticed the dog was acting distressed. Ajax was taken to the veterinarian for further treatment. There he received additional Narcan through an IV catheter, according to Smithfield Patch.

Ajax then recovered and returned to duty the next day.

The early-morning Dec. 20 raid took down 32-year-old Adriny Bernard, a suspected major supplier in the drug network. He is now being held without bail. The interagency police search yielded large amounts of cocaine, fentanyl, and heroin.

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