Article Photos: Iraq analyzing tape purported to show top militant 1/9

This image made from video posted on a militant website Saturday, July 5, 2014, which has been authenticated based on its contents and other AP reporting, purports to show the leader of the Islamic State group, Abu Bakr al-Baghdadi, delivering a sermon at a mosque in Iraq. A video posted online Saturday purports to show the leader of the Islamic State extremist group that has overrun much of Syria and Iraq delivering a sermon at a mosque in Iraq, in what would be a rare - if not the first - public appearance by the shadowy militant. (AP Photo/Militant video)