(Reuters) - Around 100 militants who fought with rebel groups in Syria and Iraq have returned to France , requiring "massive" resources for surveillance and other security measures to prevent attacks, a French lawmaker said on Friday. Thousands of Western volunteers have...

(Reuters) - An explosion killed the leader of one of Syria's most powerful Islamist insurgent groups Ahrar al-Sham on Tuesday, the group said, and an organization that monitors violence in the civil war said at least 28 of its senior commanders had died. Ahrar al-Sham is a hardline...

WASHINGTON (AP) — President Barack Obama will outline plans this week for an expanded U.S. campaign to defeat violent Islamic State militants in Iraq and Syria, a strategy that will also involve cooperation from allies in Europe, the Middle East and elsewhere. Obama will launch...

GAZIANTEP, Turkey — North of Aleppo, the U.S.-backed Free Syrian Army is battling the Islamic State terror group over a vital supply route. In Washington, the Obama administration is groping for a strategy to deal with a force that...