Suzanne Ratajova who was punched repeatedly in the head and knocked unconscious in Herne Hill last year appealed for the public's help to find who did it. She said: "I don't want any one to go through what I had to go through."
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Seven-year-old Joel Urhie died at his family home in Deptford following an arson attack.
A drug dealer has been jailed for 18 months after 70kg of cocaine, cash and a gun were discovered at a property in Romford.
The death of university student Libby Squire is being treated as a "potential homicide", police have said.