World peace concert
Bands, ballet dancers, actors and athletes are joining the campaign tonight for a global day of peace.
Razorlight and Eliza Doolittle will headline a concert at London's O2 arena tonight in honour of world Peace Day.
The campaign for a global day of non-violence began more than a decade ago, and since then it's won U.N support as well as the backing of a host of celebs.
They want governments around the world to agree to a day of non-violence in 2012.
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