Alex Leff

Updated on Wednesday at 5:30 p.m. ET

In Iraq and Syria, news of ISIS leader Abu Bakr al-Baghdadi's death has stirred a mix of responses — from joy to disbelief to dread.

Since President Trump announced this weekend that Baghdadi died during a U.S. military operation in Syria, analysts have been grappling with the implications for the militant organization that has now lost its main chief in addition to all the territory it once held in Iraq and Syria.