BBC News with Sue Montgomery.The United States has told all non-emergency government staff to leave Iraq as soon as possible.The order issued by the US State Department comes after officials accused Iran of planning attacks in the regionand warning of the threat posed by anti-US militias. Here's Sebastian Usher.The US State Department told staff affected in the embassy in Baghdad and the consulate in Erbilthat they should leave Iraq by commercial transport as soon as possible.An earlier statement told US citizens not to travel to Iraq and those already there to be vigilant, but did not order them to leave.The US has expressed its concern on many occasions over the presence of Iranian-backed forces in Iraq.They played an important role in the battle against the Islamic State group, but now America sees them as a threat.This latest move will add to the sense of a looming showdown between the US and Iran that both sides deny they're seeking war.Sudan's military rulers and opposition leaders are working out the makeup of the top-tier sovereign councilas they finalize conditions for a three-year transition to a civilian administration.Both sides have been insisting they should have a majority in the council, which the army currently runs.The Democratic Republic of Congo's Ebola response coordinatorsays health workers are dying unnecessarily of the virus because of poor training.Aaron Aruna says ninety three health workers have been infected and thirty four have died since last August.