An image has been released of a man police are looking to identify (credit: Met Police)
The incident happened at a venue on Barking Road, near Arragon Road, on Saturday 1 April, shortly before 4.45am when a man in his 30s visited the venue to buy some food.
While inside, a male suspect started arguing and fighting with others.
The victim attempted to break up the fight and calm the situation, but received stab wounds to the arm which may result in life-changing injuries.
The suspect then left in a dark blue Audi car.
Police have now released an image of a man they would like to trace in connection with the incident.
No arrests have been made and enquiries continue.
During the incident, CCTV shows a number of people in the local vicinity of the incident and officers are appealing to anyone who witnessed this to come forward.
Anyone with information, can call 101 with reference CAD5922/30MAY23.
To remain anonymous, contact the independent charity Crimestoppers on 0800 555 111.
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