More from our correspondent Simon Harris.
Boris Johnson: if there is an uplift in the value of West Ham and there is a sale, clearly the taxpayer has to be protected. @itvlondon
More top news
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.