Woman's arm in WA crocodile's stomach

A woman's hand and forearm have been found in the stomach of a crocodile that was killed after an attack in Western Australia's Kimberley region.

Department of Parks and Wildlife (DPaW) authorities in Wyndham dissected the 2.2 metre saltwater crocodile to confirm it was responsible for Wednesday's attack.

The 68-year-old woman was mauled while she sat near the bank of Three Mile Creek and was taken to hospital for emergency surgery.

DPaW district wildlife officer Peter Carstairs said because the crocodile attacked a person and it was in an area used by people and pets, it had to be destroyed quickly and humanely.