from a corporate news report
Shortly after 0130 BST on Sunday, the man, who was awaiting sentence after being convicted of a robbery plot, told prison staff he had sustained an injury in his cell.
Police said part of his left ear had been cut off, but there was no suggestion he had been attacked. Greater Manchester Police believe either the 28-year-old or his brother hacked off part of his left ear.
He was being taken to Hope Hospital, Greater Manchester, by ambulance when a stolen BMW pulled in front of it, forcing it to stop on Agecroft Road.
Four masked men then attacked the vehicle with baseball bats and bolt cutters and the prisoner, who was escorted by three prison guards, escaped.