Video purports to show ISIS leader delivering a sermon in Mosul . This is the first line of seven similar concentric lines of defense between the outskirts of the capital and the airport , widely believed by Iraqi and U.S. officials to be a top target of ISIS . A suicide car bombing kills at least seven people and wounds 14 in Baghdad . - June 22 : Fighters form defensive lines around main airport , which is considered a top ISIS target .
Video purports to show ISIS leader delivering a sermon in Mosul . A suicide car bombing kills at least seven people and wounds 14 in Baghdad . - June 22 : Fighters form defensive lines around main airport , which is considered a top ISIS target .