An upsurge in terror attacks across Europe since 2015 has catapulted security to the top of the political agenda. Paris, Nice, Berlin, Brussels, London and other cities have been hit as governments grapple with the new reality. Can Europe combine an open society with protecting its citizens?
Terrorism and security
The EU's fight against terror
EU weighs tighter borders in jihadist fight
European leaders have mooted tightening the EU's external borders, as they vowed joint action following a spate of attacks on home soil blamed on Islamist radicals
Deadly attacks in Europe linked to jihadists, since 2015
A shooting rampage by an Islamic State supporter in Vienna that killed four people is the latest in a spate of such atrocities in Europe. A recap of the deadliest attacks since 2015.
EU hobbled over Navalny sanctions response
European countries have threatened sanctions on Russia over the alleged nerve agent attack on Alexei Navalny, but a concerted decision will be tough to reach given the interests at stake
Mutating terror threat still looms over Europe
The terrorist threat against Europe has mutated in the last half-decade as jihadist groups have seen their Middle East sanctuaries eroded, but analysts say the West must remain braced for more attacks
Facial recognition: IT and police in delicate dance
Facial recognition has helped simplify our lives but the global anti-racism protests have prompted some privacy and rights groups to voice concerns over the technology is being used police forces
Repatriation of IS families: a round-up
How is the international community dealing with the families of foreign jihadists captured or killed in Syria and Iraq?