He warned that Persian Gulf nations are `` not immune '' from the threat they pose . ` Pentagon spokesman : Higher ISIS estimate does n't change military approach . ISIS can `` muster Just 18 fighters '' across Iraq , France , the CIA says . The White House says retired Gen. John Allen will lead international effort against ISIS . French Prime Minister : Iraqi President says Syria will strike ISIS targets in Iraq .
Pentagon spokesman : Higher ISIS estimate does n't change military approach . ISIS can `` muster Just 18 fighters '' across Iraq , France , the CIA says . The White House says retired Gen. John Allen will lead international effort against ISIS . French Prime Minister : Iraqi President says Syria will strike ISIS targets in Iraq .