evidence: Heglig is vital because it accounts for about half of Sudan's 115,000 barrel-a-day oil output, Reuters reports. The fighting has stopped production there, officials say. [...] A presidential press statement said the South Sudanese had to be sure Heglig would not be used as a base for cross-border raids against them. [...] The African Union Peace and Security Council has called the occupation of Heglig "illegal and unacceptable", and also condemned Sudan for carrying out aerial bombardments of South Sudan.