A dog has been found hanging from a tree in Sydney's west in an horrific case of animal cruelty.
The female cattle cross was discovered in the RAAF Memorial Park in Mt Druitt this morning.
It's believed she had been hanging there for days, but it's not known if she was killed before being hanged.
There are no other signs of injuries on the dog, which is no more than five years old.
The case has horrified RSPCA inspectors who say it's the worst case of cruelty they've ever seen.
Authorities are now searching for those responsible.