Codie the collie dog set on fire by thugs in Co Antrim two weeks ago has died.
The three-year-old suffered serious injuries after it was doused in lighter fluid and torched in Maghaberry.
The extent of the burns were so severe that the dog’s ribs and other joints were visible through her charred flesh.
She was put to sleep on Saturday night.
A message from the Agnew family on the 'Justice for Cody' Facebook page said: "Bad news, Codie didn't make it. She had been getting worse from Friday and the vets had tried everything they could. We are all gutted, but we know she was suffering and was only going to get even worse."
The dog's owner Natalie Agnew initially failed to recognise her pet after the attack on Sunday 26 August. USPCA spokesman David Wilson described the incident as a “heinous, deliberate act on a defenceless animal”.
Mr Wilson said: "I'm very sorry to hear that animal has perished after the suffering that she has gone through despite the best of veterinary care."
An online fund, set up by well-wishers, had raised over £2,300 towards the animal's vet bills.
Two men, both aged 21, were arrested in connection with the attack. They have been released on police bail pending further inquiries.
On their Facebook page the PSNI in Lisburn said: "We would like to remind everyone that police are dealing with the matter, and two people have already been arrested.
"All evidence takes an amount of time to process, and when the investigation is complete the matter will be forwarded to the PPS.
"We would appeal for calm."
Anyone with information, or who may have witnessed the attack, is asked to contact Lisburn police station on 0845 600 8000 or to contact Crimestoppers anonymously on 0800 555 111.