A3220 Addison Road (one way) Southbound closed traffic congestion, long delays due to building fire at a penthouse between Melbury Road and A315 Kensington High Street.
Congestion on A3220 Holland Road to A402 (Holland Park Roundabout), on West Cross Route to A40 Westway (Northern Roundabout) and on A4020 Shepherds Bush Green to A219 Wood Lane.
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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.