UPDATE: A Southern Wisconsin boy who was shot in the head has been declared brain dead.

---

TOWN OF SHARON, Wis. (AP) -- Sheriff's deputies continue their investigation into a shooting involving two boys in Walworth County.

Authorities say one boy was shot in the head in the Town of Sharon Wednesday afternoon. He was taken to a Janesville hospital.

Investigators were questioning the other boy.

Walworth County Undersheriff Kurt Picknell says it's too early to determine if the shooting was accidental.