A vulnerable teenager with Asperger's had a chemical thrown in his face by a gang of thugs - before they stole his scooter.
Police are appealing for information about the incident in Westleigh Park, Leigh.
Officers were called at 7pm on Tuesday (December 21) to a report of a robbery at the park on Westwell Street.
A teenager is understood to have been approached by a group of males while he was sat on a bench with his electric scooter.
The victim was punched and had a substance - suspected to be ammonia - thrown in his face, before his scooter was stolen.
He was taken to hospital with minor injuries to his face. He has since been discharged.
Enquiries are ongoing. No arrests have been made.
Detective Inspector Patrick Wood, of GMP Wigan CID, said: "This was an awful attack on a vulnerable man with Asperger's.
"The attack has left him incredibly shaken and I would strongly appeal for anyone with information about this incident - including who the offenders may be or the location of the Xiaomai Electric Scooter - to please contact police as soon as possible.
"This kind of attack is both cowardly and unacceptable and we will be working at pace to find the individuals responsible."
Anyone with information - including CCTV or dashcam footage from around the park at the time of the incident - is asked to report it online or by using the LiveChat service at www.gmp.police.uk quoting log 2503 of 21/12/2021; or via Crimestoppers, anonymousl, on 0800 555 111.
