A photograph taken by a resident of Fairlie has taken this picture that appears to show the lorry on its side and partly embedded in the house.
A large section of the corner of the building appears to be missing.
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The band announced at a free concert on Friday that they would take over the event's Pyramid stage on Saturday June 25.
The victims were collecting permits and escorts a day after their home town was liberated from the extremists.
Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.