Olympics Correspondent Simon Harris is at a special briefing on the London 2012 Opening Ceremony.
Show features one hour of culture, athletes' parade, cauldron lighting and fireworks. @londontonight
Boyle on the Olympics: "The biggest thing any country does apart from mobilise for war." @londontonight
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David Cameron said the Met proved it can "do more with less" and declined to criticise the Mayor of London for his water cannon spend.
A group of disabled activists threw toys and balls at him as he entered the conference.
A wet start to the week and the unsettled weather is set to continue over the next few days.