People affected by the bombings in London on 7 July gather in St Paul's Cathedral to offer each other mutual support and remember those who died. In the presence of Her Majesty the Queen. Leader the Very Rev Dr John Moses Dean of St Paul's. Preacher Dr Rowan Williams , the Archbishop of Canterbury. Cathedral organist Malcolm Archer. Sub-organist Huw Williams. Commentator Nicholas Witchell. Producer Clair Jaquiss