Weaponising vehicles can be stopped if the political will exists, writes Leonid Bershidsky.

US President Donald Trump has ordered "new vetting measures" to keep "radical Islamic terrorists" out of the country.

Potential terrorists are exploiting the migrant crisis to travel unchecked through Europe, the EU's border agency has warned.

The French government has hardened its position towards dual-nationality terrorism convicts, saying they deserve to have their citizenship revoked as part of constitutional changes upholding the state of emergency imposed after the Paris attacks.

Far-right parties in Europe have called refugees streaming into the region “terrorists”, a “ticking time bomb”, and a Muslim “invasion” that will bankrupt nations and undermine Europe’s Christian roots.

Syrian president Bashar Assad has said the refugee crisis in Europe is a direct result of the West’s support of “terrorists” in Syria.