Helena Carson and Dina Kalouti are among nine women the government has helped return to Canada from camps for ISIS families.

A 30-year-old Somali national allegedly rammed his car into a police officer and stabbed him, before later striking several pedestrians as he led police on a chase in downtown Edmonton.

"This is an all too common pattern we’re seeing in major cities across Europe and unfortunately now it’s arrived in Canada," said a terror expert.