It happened just before midnight on Saturday (21 September)
Police are looking for witnesses after a male was left with 'significant injuries' on Wellington Street in Douglas.
The eastern neighbourhood team says the incident occurred on Saturday (21 September) outside Marks and Spencer just before midnight.
Anyone who may have any information is urged to contact officers on 631212 quoting reference 97/6007/24.
Warning over flare disposal after amenity site fire
Suspended sentence for 56-year-old in cannabis supply case
Owner of a block of flats fined for failing to meet fire safety regulations