At around 3pm on Thursday, 28 April 2022, the incident occurred near the River Kelvin, behind Garscube Sports Complex.
The man is described as white, medium-build, between 50 and 60 years old, 5ft 6 in height, and with slightly grey hair. He was dressed in dark slacks, a white tee, a light-colored fishing gilet, and a light-colored bucket hat.
"I am urging the man in this image, or anyone with information regarding his identity, to please contact police," said Detective Constable Rachel Fulton of Greater Glasgow CID.
Enquiries to find the person responsible for this attack are ongoing, and we continue to ask for the public's assistance." Officers can be reached by dialling 101 and referencing reference number 1946 of Thursday, April 28, 2022. If you prefer to remain anonymous, you can call Crimestoppers at 0800 555 111."