The incident occurred near the restaurant in Pettman Crescent around 9.30 pm on April 9.
The officers and teams of the London ambulance service attended and found a man with wounds in his hand and face.
It was tasks for the hospital to receive treatment where their injuries were evaluated as they do not change their lives.
No trial has made the leg as continuous police consultations.
A Metropolitan Police spokesman said: “The police were called around 9:30 p.m. on Wednesday, April 9 to inform an altercation near a restaurant in Pettman Crescent, SE28.
“The officers attended together with the London ambulance service and a man of about 20 years was treated for injuries in his hand and face.
“It was tasks for the hospital and it is not believed that their wounds change their lives.
“No judgments have been made at this time and the consultations remain on.
“Any person with information should call the police at 101 or publish @Metcc Ref Cad 7535 April 9.
“To remain 100% anonymous, communicate with the independence beneficial organization Crimeppers at 0800 555 111”.