Pro-government forces defeated the militant group in its last major stronghold in Syria, leaving the militants to defend strips of desert territory.
Turkey is outraged by a reported deal that would threaten autonomy for Kurds backed by that country.
Syria's army has taken control of the city of Al-Bu Kamal, the last base for Islamic State on the Syrian-Iraqi border.
In the face of advancing government forces, the Islamic State group in Syria is going back to its roots as a small terrorist organization.
Meanwhile, Grand Ayatollah Ali al-Sistani, the foremost Iraqi clerical leader, asks his government to protect Kurdish civilians.
The extremists were defeated by Muslims: That should be the headline. That is what Americans have trouble getting their heads around.
A recent referendum is seen as a wake-up call to Turkey, Iraq, Iran and Syria that the longtime issue must be addressed.
The president delivered a foreboding message during a photo session with his senior military leaders.
In a coordinated effort, some of Trump’s aides have worked to maintain—if not expand—the American footprint and influence abroad.