Baghdadi was last seen in a viral video in 2014 giving a sermon in the Great Mosque of al-Nuri, in Mosul, Iraq. This came just a month after Mosul fell into the hands of ISIS.
Warplanes flew near Baghouz on Wednesday as the final remnants of ISIS held a narrow strip of land along the Euphrates in a last-ditch defense of its dwindling territory.
The U.S.-backed Syrian Democratic Forces said it thwarted an attempted IS group suicide bomb attack early on Wednesday.
Hundreds of Islamic State fighters surrendered on Wednesday and hundreds more of their comrades were caught trying to escape.
Veteran French jihadist Fabien Clain was announced killed on Friday by the U.S.-led coalition fighting in Syria.
Trucks loaded with civilians left the last Islamic State enclave in eastern Syria on Friday, as U.S.-backed forces waited to inflict final defeat on the surrounded jihadists.