Northern Ireland Police Federation chairman Terry Spence, who represents rank and file officers, praised his "brave" colleagues on their find.
He said the weapons were "undoubtedly intended to murder officers" and that there is "hiding place for terrorists".
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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.