Messaging app to cooperate in terror probes, but not in Russia
Company chief says as encrypted Telegram app is illegal in Russia, "we do not consider the request of Russian secret services"
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Company chief says as encrypted Telegram app is illegal in Russia, "we do not consider the request of Russian secret services"
Most of girls seized by Boko Haram from Dapchi were freed, but Sharibu was held back, reportedly for refusing to forsake her Christian faith
Authorities see no apparent terror tie, but ISIS, which has history of opportunistic claims, swiftly claimed responsibility
London's Metropolitan Police say male driver in his 20s is being held over "terrorist incident" that left 2 people injured in London
"9/11 alumni remains very viable and very real," says reporter who interviewed family of September 11 mastermind
The proposal was met with alarm from aviation-security experts, who warned it could draw terrorists
An FBI undercover operative tells Scott Pelley how he infiltrated al Qaeda and thwarted potential terror attacks planned for New York and Toronto
Police dismiss terror group's attempt to claim carnage that left 2 dead, including a 10-year-old girl from the city
State-run media in Syria say biggest attack in southern province of Sweida targeted shoppers at a busy vegetable market
Man fires a handgun into restaurants and cafes, shooting 14 people and killing two before dying after an exchange of gunfire with police
Officials say at least 13 troops killed and more wounded in ongoing attack on military in Badghis province
Bernard Gaudillère, president of the company that runs the monument, described the new walls as "rock-solid for absolute security"
U.S. expert says Israel's stance on civil liberties has, in part, put it at "cutting edge" using controversial tech to counter terror
Uzbek national Rakmat Akilov said he drove into Stockholm crowd to punish Sweden for joining anti-ISIS coalition
In 16 years, the Afghan War has cost 2,400 American lives and $1 trillion. But with the country's capital under siege, the end still seems far away
Interior Minister says shooter killed fellow ex-prisoner night before rampage that left 3 dead
Researchers say they were three times more likely to encounter extremist videos in search results than videos that counter the propaganda
Afghan officials give varying accounts amid chaos, but Interior Ministry says at least 6 troops among the dead
Rapid resurrection of "Amaq" propaganda machine after 8-nation cyber "takedown" shows challenges of counterterrorism game of whack-a-mole
Suicide bomber blows himself up inside election commission, other militants set fire to it, killing at least 6
Salah Abdeslam wasn't in Belgian court as verdict announced over police shootout that came four months after Paris attacks
U.S. official attending Andrew Brunson's trial warns relations between nations will be "difficult" if he isn't set free
Trump is hosting the ruling emir of Qatar for a White House meeting
AP analysis finds France adds more individuals to Europe-wide security watch list than other countries combined
Nobel Peace Prize winner always vowed to return after Taliban assassination attempt, now she defiantly declares, "I am here."