Gedeon Ngwendema was stabbed in Brent Cross (photo Met Police) A third arrest has been made as police have identified the 21-year-old man stabbed to death in a north-west London shopping centre. Metropolitan Police officers were called to Brent Cross Shopping Centre at 6.45pm on Tuesday following reports of a group of males fighting. The force have said Gedeon Ngwendema, 21, was the victim found stabbed at the scene, before he died a short while later, despite the efforts of officers, members of the public and ambulance staff. A post-mortem examination was carried out on Wednesday at Northwick Park Mortuary and found the cause of death to have been a single stab wound.