Three men have been arrested over the discovery of a cat's body in a microwave, where it had apparently been cooked alive.
The body of the female cat was found at a house on the Blue Hall estate, in Stockton, Teesside, on Boxing Day.
On Thursday, Cleveland Police said the three had been arrested and freed on police bail. More arrests are expected to follow, a spokeswoman said.
Meanwhile, the cat's litter of five kittens are being cared for.
They are expected to be rehomed in the new year.