India, July 21 -- Dog the Bounty Hunter's family is going through a personal tragedy amid reports that his stepson, Gregory Zecca, shot and killed his step-grandson.

TMZ reported that the incident took place at their apartment in Naples, Florida, on Saturday night.

The publication reported that it was an accidental shooting, and went on to describe it as a 'freak accident'.

Zecca is the son of Dog the Bounty Hunter's wife, Francie, from her previous marriage. Anthony, his son, who got shot, was only 13.

Law enforcement responded to a call about a shooting at around 8 pm ET, the publication reported. Though an investigation is ongoing, no arrests have been made, with authorities labelling it an 'isolated incident'.

Dog the Bounty Hunt...