Turkish premier alleges unfair policies against Muslims, as France attempts clampdown on extremism in response to a wave of terror attacks

Spokesman for agency says it will boost visibility and vigilance at various sites amid Iranian theats; Arlington Cemetery also upping security measures

Authorities in northern European state arrested some 20 suspects this week in connection with alleged jihadist plots

Some of the suspects will be charged under anti-terror laws following country-wide raids; no details provided on plot

Jack Merritt, 25, was at prisoner rehabilitation event also attended by terror suspect; video footage shows men with fire extinguisher, tusk, battling with attacker

Following terror attack, former counterterrorism official warns criminal justice system 'playing Russian roulette with lives'; minister vows swift government review of laws

Security officials downgrade terrorism assessment to lowest since 2014, but attacks still seen as likely

Data scientists from Northwestern University apply venture capitalist system to terrorist organizations to extrapolate how deadly they will become based on their first 10 attacks

Specialist forces reportedly protected prime minister's convoy as he met with British counterpart Boris Johnson

As mass shootings by white supremacists proliferate on US soil, lawmakers seek legislative answers, but many fear they could infringe First Amendment rights