Dale Cregan still denies murdering father and son David and Mark Short, despite admitting to the killings of PCs Fiona Bone and Nicola Hughes.
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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.