International terrorism expert Peter Neumann has warned Europe to expect an increasing number of attacks, as Friday’s truck terror in Stockholm marked the third Islamist atrocity to hit the continent in just three weeks with other deadly assaults taking place in St. Petersburg and London.

“I believe that, more more more, ISIS will be using its supporters in Europe to carry out attacks”, the head of the International Center for the Study of Radicalization (ICSR) at King’s College in London told ZDF on Monday.
Terror Expert: Europe Needs to Brace Itself for 'More and More' Islamist Attacks - Breitbart