Post mortem examinations have revealed a teenager died from a single gunshot wound on Wednesday night. Nineteen-year-old Kyle McDonald was killed in Battersea. Police are continuing their appeal for witnesses to come forward. No arrests have been made.
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The force says the increased police presence should provide reassurance to the public - without affecting the spirit of the event.
Resident group Justice 4 Grenfell say they were not consulted and will raise concerns about the appointment at the highest level.
They tried to drive off, pursued by the suspect on foot, before their car crashed into a fence.