One man is in custody after authorities say he shot his son during an argument Saturday afternoon.

Clark County Sheriff Paul Gaudette says 65-year-old Max Kearns of Wyaconda and 39-year-old Eric Kearns got into an argument which escalated.

Authorities say Eric Kearns is being treated for serious injuries from a shotgun wound.

The Highway Patrol’s Division of Drug and Crime Control says Max Kearns is charged with first degree domestic assault. He is held on $75,000 cash only bond.

Kurt Parsons