AC Rowley: "This is a welcome development but both investigations at relatively early stages, with much work remaining to be done" #McCann
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The animal is believed to have been attacked with metal bars, knives and rocks and later died of his injuries.
More than 20,000 allegations of abuse by care home workers have been made in the last three years, figures show.
Two private citizens have already paid a "significant deposit" to take the week-long trip.