Iowa's six electoral college votes have gone to Barack Obama, according to NBC News projections.
The President now leads Mitt Romney by 249 to 203, with Florida and Ohio yet to be called.
More top news
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.