Duane 'Dog the Bounty Hunter' Chapman, the star of the reality TV series Dog's Most Wanted, is being treated in hospital following a medical emergency at the weekend. 

A representative for the 66-year-old said in a statement: "I can confirm Dog is under doctor's care and is resting comfortably.

"Thank you for all of your well wishes - keep 'em coming."

The representative did not disclose the medical issue for which Chapman is receiving treatment. There is speculation that Chapman suffered a heart attack.

During the summer Chapman's wife and co-star Beth Chapman died following a battle with cancer. She was 51.

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