The Prime Minister described Boris Johnson's 'absolute triumph' in getting stuck on a zip wire earlier today. He added how the London Mayor 'defies all forms of gravity.'
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After decades of struggling negotiations both activists and delegates are hoping for some form of landmark agreement.
World Rugby chairman Bernard Lapasset led the tributes, calling Lomu 'a giant' of the game.
Jaw bone fragment studied by British scientist comes from a smaller cousin of the better known Triceratops.