Our Political Correspondent Simon Harris has been tweeting during the address from London 2012 Chairman Lord Coe at the Conservative Party Conference.
Coe: The games were delievered to the best of our combined British ability and what an ability we have. @londontonight
Coe: For me the why was always clear. It was about changing the lives of young people. @londontonight
Coe: I doubt there was a single spectator to the games who wasn't charmed by our volunteers. @londontonight