A PET camel has reportedly killed a 60-year-old woman in Queensland's outback.It is believed the camel knocked the woman to the ground, stomped on her and then lay on top of her on a cattle station at Mitchell, almost 600 kilometres west of Brisbane, police said.The woman's husband found her body about 6.30pm (AEST) yesterday when he returned from feeding stock. A police spokeswoman said the husband told them the camel had often tried to suffocate other animals on the property by sitting on them. "The husband said the camel regularly lay on their pet goat and had almost suffocated it numerous times,'' said the spokeswoman, adding that the couple were camel breeders, but kept one as a pet. It not known whether the woman had been riding the camel shortly before the tragedy.