Iraqi pro-government forces fire a rocket during an operation to retake the Baiji oil refinery from Islamic State (IS) group on April 16, 2015. (MOHAMMED SAWAF/AFP/Getty Images) Recommend 7 people recommend this. Sign Up to see what your friends recommend. The Islamic State (IS) militant group still poses an immediate threat to the Baiji oil refinery, three days after Iraqi military leaders declared the facility had been secured.Several security officials in Baghdad and northern Iraq have given conflicting accounts of the extent to which the 36-square-kilometer refinery compound is under government control: some say it is secure; some say IS fighters are still inside; and others say there was another attack Wednesday.Even the most optimist…