ISIL militants claim that US hostage, Kayla Mueller, has been killed during a Jordanian air strike.<br /><br /> The group announced she died in Raqqa, an ISIL stronghold in Syria.<br /><br /> ISIL provided no proof of her demise except pictures of the alleged bombing site.<br /><br /> The White House said it was investigating the claim, but has yet to verify the veracity.<br />US State Department spokesperson Marie Harf made the following statement: “I will , say that Secretary Kerry and our team and across the US government are putting in every effort behind finding to locate Americans being held overseas. <br />Every intelligence tool, diplomatic tool. The Secretary has reached out to over four dozen countries about Americans being held overseas writ large to try and bring these people home.”<br /><br /> Kayla, an aid worker from Arizona, was taken hostage in Aleppo, Syria in 2013.<br /><br /> Her family called on the media to “cautiously report” and to “limit speculation on her situation.”<br /><br /> In her home town of Prescott the locals are well a
