The injuries sustained by two men after being stabbed in the West End are not thought to be life threatening. They were stabbed at around 3:30 Saturday morning and found near a McDonald's restaurant in Regent Street.
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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.