Jihadist and far-right extremists were the most lethal, but Northern Irish nationalists also posed a threat, according to a new EU report on terrorism.
The killing of 17 EU civilians in Sri Lanka on Easter Sunday last year showed that "the so-called Islamic State (IS) still looks to conduct large-scale attacks targeting EU citizens", Europol, the EU's joint police agency in The Hague, Enjoy access to all articles and 25 years of archives, comment and gift articles. Become a member for as low as €1,75 per week.To read this story, log in or subscribe