A man's been charged with the murder of a 43-year-old woman from Bracknell. Tuanjai Sprengel's body was found in an underpass on Sunday morning. A 28-year-old man is due to appear before magistrates later.
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Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.
The family of Oliver Dearlove urged people to "think again" before using their fists, as the man who killed him began a six-year jail term.
London Fire Brigade took Southwark Council to court on four charges in relation to safety breaches at Lakanal House in Camberwell.