There's been over a 400% increase in youth unemployment in London since April 2000, according to the latest TUC report. They say a number of factors including the recession have created the problem.
Youngsters unemployed for between 6 months to a year - has increased by 85 % since 2000.
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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.