European Policy Centre analysts say the general political climate and the upcoming European elections are, in part, responsible for the uptick in violence.
The shooting of Slovakian Prime Minister Robert Fico is an example of the more serious acts of political violence in parts of the European Union.
It was the first attempt on the life of a European head of state since 2003, and reflects a growing polarisation across the continent.
Eric Maurice, researcher at the European Policy Centre, said there are numerous factors behind the discontent.
Im sure a lot of countries doing nothing against the rise of neo nazis/fascists parties and the fake news they promote has nothing to do with this.