rob: fox news alert, isis confirming the death of their leader, abu ibrahim al-hashimi al-quraishi. the terror group naming his successor and warning their group is growing. aishah hasnie has more on the announcement. >> reporter: the new one is abu ibrahim al-hashimi al-quraishi. virtually nothing is known about him or his past. there was an audio message thursday in which the group confirmed the death of former leader abu bakr al-baghdadi editor group's spokesman. the new spokesman deliver the message saying do not be happy with the killing of abu bakr al-baghdadi. do you not realize the state is not only on the doorstep of europe and in the center of africa, it is staying and expanding from the east to the west. look at this interesting response to that announcement,