"What you heard was far from cowing in the face of what ISIL had said," she said. "President Hollande said we will not be deterred, this just shows why we have to defeat ISIL."
U.N. Ambassador Samantha Power: Islamic State threat should be uniter →
"This group [the Islamic State] has threatened the entire world. It's attracting fighters from all over the world and is training them so they can conduct terrorist acts in their own countries," Mr. Hollande said.
Obama's U.N. speech urges unity in facing Islamic State, Russia →