“We need to continue to do all that we can to make sure that there's not a resurgence of ISIS" (Image: IG (file pic))
ISIS have suffered serious reverses recently losing their capital Raqqa in late 2017. The group has continued fighting using insurgent tactics. In December President Trump claimed ISIS had been defeated in Syria.
He commented: “We have defeated ISIS in Syria, my only reason for being there during the Trump Presidency.”
Trump announced the withdrawal of US ground forces from Syria, though aerial bombing will continue.
The leaked document is a draft of a quarterly Pentagon report on the campaign against ISIS, which is due to be released next week.
It warns the group could retake ungoverned parts of Syria within a matter of months, and is determined to recreate its physical caliphate.
ISIS shot to prominence in 2014 with a series of lightening advances which saw them capture Mosul, Iraq’s third city, and reach the outskirts of Baghdad.
READ MORE: ISIS NOT DEFEATED warns author
ISIS shot to prominence in 2014 with a series of lightening advances (Image: GETTY )
After taking Mosul they executed