evidence: Sudan's leaders are furious after its southern neighbour took over the Heglig oilfield, which is internationally accepted as Sudanese territory. [...] And Sudanese army spokesman Col Sawarmi Khalid said on Saturday Heglig region was "100%" under their control. [...] Heglig is vital because it accounts for about half of Sudan's 115,000 barrel-a-day oil output and the fighting has stopped production there.