(Reuters) - World leaders including Muslim and Jewish statesmen linked arms to lead an estimated million-plus French citizens through Paris in an unprecedented march under high security to pay tribute to victims of Islamist militant attacks.` Paris police said the turnout was "without...

(Reuters) - Islamic State militants have killed at least 24 members of the Kurdish security forces in a surprise attack in northern Iraq , Kurdish officials said, in one of the deadliest single battles for the Kurds since last summer. Three Kurdish officers reported continued clashes...

(Reuters) - German police arrested a suspected supporter of the insurgent group Islamic State (IS) who was recently in  Syria  and raided his apartment in the state of North Rhine-Westphalia, federal prosecutors said on Sunday. The 24-year-old suspect, who has German...

U.S. President  Barack Obama  will invite allies to a Feb 18 security summit in Washington, U.S. Attorney General Eric Holder announced on Sunday after meeting his European counterparts in Paris. "We will bring together all of our allies to discuss ways in which we can...