Officers were called to Kingsley Wood Drive in Mottingham just after three o'clock on Friday afernoon to reports of an altercation. A 20-year-old man was stabbed to death and a 24-year-old received serious wounds. Police want to trace a black Volkswagen Golf, registration LV07 FXA, which they believe could be linked to the attacks. It's thought the car is still in south east London.