A convicted killer, who was dubbed the Black Dog Strangler, escaped from a secure psychiatric hospital after he asked to go to the toilet, Northumbria Police said.
Phillip Westwater, 44, is described as white, six foot tall, with a slim build and brown/grey hair.
Police said they do not have a description of what he was wearing as he left his clothes in the toilet.
A convicted killer dubbed the 'Black Dog Strangler' has been found and returned to a secure hospital after a day on the run.
A convicted killer, who was dubbed the Black Dog Strangler, has escaped from a secure hospital, Northumbria Police said.