In this still image posted on a militant Twitter account on Thursday, June 12, 2014, which has been authenticated based on its contents and other AP reporting, a banner bearing a black flag used by the al-Qaida inspired lslamic State of Iraq and the Levant (ISIL) hangs from an overpass in Mosul, Iraq. Iraqi officials say al-Qaida-inspired militants who this week seized much of the country's Sunni heartland have pushed into an ethnically mixed province northeast of Baghdad, capturing two towns t