Outside Kirkuk in northern Iraq, a border between Kurdish- and Islamic State-controlled territory is crossed every day by civilians conducting business on both sides. Photo: Andrew W. Nunn MAKTAB ...

SEE ALSO: Evidence mounts Islamic State is looking to the US southern border U.S. officials have sought to allay concerns.

Warplanes believed to have been sent by the U.S.-led coalition struck positions held by Islamic State militants near a Syrian border that beleaguered Kurdish forces have been struggling to defend.

U.S. intelligence and security officials are increasing their focus on the country’s southern border, worried the constant flow of migrants has attracted the attention of the Islamic State ...

The number of deadly Islamic State rocket attacks on Kilis has risen dramatically in recent weeks as Turkey struggles to end the strikes against the border town that has become a haven for Syrian ...

AFP/Baghdad The Islamic State group seized the Iraqi side of a key border crossing with Syria after isolated government forces pulled out, a police officer and a provincial official said.

PESHAWAR, Pakistan -- Pakistan agreed yesterday to suspend military offensives and impose Islamic law in part of the restive northwest, making a gesture that it hopes will help calm the Taliban ...

U.S. Rep. Duncan Hunter, R-Calif., claimed on Fox News last October that at least 10 Islamic State fighters had been caught trying to cross the Mexican border.

BEIRUT — Islamic State militants pounded the Syrian border town of Kobane with artillery shells Sunday, residents said, as the jihadists continued their attack on the strategic city despite U.S ...

Tal Abyad, known as Gire Sipi in Kurdish, is a strategic frontier town that Islamic State has held for about 17 months. It is the closest border town to Raqqa.

Islamic State cannot be defeated without addressing “both sides of what is essentially at this point a nonexistent border” between Iraq and Syria, the chairman of the Joint Chiefs of Staff ...