In a new assessment, the U.S. intelligence community judges that large numbers of foreigners fighting for Islamic State in Iraq and Syria likely will stay to defend what is left of their self-declared caliphate rather than return to their homelands, a top U.S. counter-terrorism official said on...

Afghan security forces were killed Friday in a U.S. military air strike in southern Afghanistan's Helmand province, the U.S. military said, calling the friendly-fire deaths "unfortunate" and pledging an investigation. "We would like to express our deepest condolences to the families affected...

The prime minister of Libya's internationally-recognized government has decried a religious edict issued by clerics affiliated with a rival government that bans the Ibadi, a Muslim sect to which hundreds of thousands of Libya's Amazigh adhere. Fayez Serraj warned of "endangering social...

White House Press Secretary Sean Spicer is resigning his position, according to two people with knowledge of the decision. One source said Spicer quit because of objections over the appointment of a new White House communications director, New York financier Anthony Scaramucci. Read...