A spokesman for Lambeth Palace, the Archbishop of Canterbury's office, said they are "concentrating on getting the vote [on women bishops] through".
"It would not be helpful to speculate further," he added.
His comments follow a report that stated the Most Rev Justin Welby was preparing to drive through a plan to introduce women bishops in the Church of England.
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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.