The world has been rocked by three separate Islamic State attacks on three different continents this week.

In Tunisia, 38 people were killed when a gunman opened fire on tourists. In Kuwait, a suicide bomber at a Shiite mosque killed at least 27 people during prayers. And in France, police say a man attacked a gas factory in Lyon, and they found a decapitated head hung on a fence alongside flags containing Arabic writing. 

Lina Khatib is the director of the Carnegie Middle East Center, and she says more attacks can be expected.

This interview was originally broadcast on Radio New Zealand National.