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 Syria (ISIS) hangs from an overpass in Mosul, Iraq. Arabic on the banner reads, "Ninevah State welcomes you. God is great and thanks to God.
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 Syria (ISIS) hangs from an overpass in Mosul, Iraq. Arabic on the banner reads, "Ninevah State welcomes you. God is great and thanks to God. ASSOCIATED PRESS
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 Syria (ISIS) hangs from an overpass in Mosul, Iraq. Arabic on the banner reads, "Ninevah State welcomes you. God is great and thanks to God. ASSOCIATED PRESS

ISIS declares establishment of caliphate, demands allegiance from all Muslims

June 29, 2014 7:22 PM