Terrorism shakes Europe

From the Charlie Hebdo killing in January to the Friday the 13th attacks in November, France and its capital Paris have become the epicentre of a growing terrorist threat in Europe.

The tremors could be felt in Copenhagen, Brussels and even the meeting rooms of EU institutions where the fundamental European principle of free movement has come under pressure.

The first attack hit Paris on 7 January when two gunmen burst into the Charlie Hebdo magazine newsroom, killing ten people a...