Li Hunan, thought to be a Chinese national, is allegedly to have swung at Il Sung, who had a knife sharpener, with a knife he was using to prepare food when they were in the Soho kitchen.
Officers yesterday released images of a dangerous individual who was seen fleeing the scene of the fatal attack on Mr O Halloran, 87 in Greenford, west London.
Sadiq Khan has blamed London s recent spike in violent crime on longer days, school holidays and heatwaves after six homicides were reported in the past week
Li Hunan, 60, of New Malden, south London, appeared at Croydon Magistrates Court on Wednesday charged with murder. The deceased has been named as Li Sung, of Southwark