ISIS claimed responsibility Wednesday for an attack on a Tunisian presidential guard bus, an official statement from the group said. Tunisian authorities said that a suicide bomber carried out the attack on Tuesday, which killed at least 12 people and forced the government to impose a...

Standing two feet from Canada on windswept Montana prairie land, U.S. Border Patrol agent Andrew Herdina looks out over a line of crooked old fence posts with no wire between them -- the international border. "If somebody is set on doing it, there are plenty of opportunities to...

At least 13 people were killed in Tuesday's apparent suicide bombing of a Tunisian presidential guard bus in central Tunis, prompting the government to declare a state of emergency and tighten security around the capital. Troops and armed police patrolled the city streets and set...

Turkish President Recep Tayyip Erdogan had a phone conversation with U.S. President Barack Obama late Tuesday after Turkish Air Forces shot down a Russian warplane earlier in the day, Turkish officials said. A Russian fighter-bomber was shot down earlier Tuesday by Turkish F-16s after being...