As Turkey continues its offensive into territory controlled by the Kurdish-dominated Syrian Democratic Forces (SDF), the Islamic State has exploited the chaos to strike in the heart of the Kurdish-held areas of northern Syria.

The Turkish invasion of neighboring Syria has resulted in widespread casualties, large numbers of refugees, widespread destruction and growing insecurity, Defense Secretary Dr. Mark T. Esper said.

Russia says it won’t allow clashes between Turkish and Syrian forces as Turkey pressed its offensive against Kurdish forces in northern Syria.