Incident happened near Quids Inn last month
Police are appealing for witnesses to an incident near a pub in Douglas.
The disturbance happened between Quids Inn and Rochester Court apartments on Loch Promenade.
Officers say no further details can be released about the incident, which happened just after midnight on 7 September.
However, anyone who remembers seeing anything suspicious is asked to contact PC Malcolm Oates at police headquarters on 631212.