As al-Qaeda-inspired Islamic State of Iraq and Syria (ISIS) militants and local armed men – backed by Sunni tribal leaders – advance towards the Iraqi capital of Baghdad, neighboring Iran has sent troops to fight alongside government forces, CNN...

ISTANBUL (Reuters) - The advance of Sunni militants in Iraq leaves Turkey facing a widening Islamist insurgency in two of its southern neighbors, endangering domestic security, threatening important trade routes and forcing it again to rethink Middle Eastern policies....

By William Maclean DUBAI (Reuters) - This week's advance by Sunni insurgents in Iraq provides a powerful argument for why Iran and Saudi Arabia should bury their Cold War-style feud, but is nonetheless likely to set back detente between the Gulf's dominant Sunni and Shi'ite...

Years of investing in Iraq with time, money and lives of American soldiers are the reasons the U.S. is considering new military action to quell a fast-moving insurgency that has taken key areas of northern Iraq and vows to march on Baghdad while still resisting direct involvement in...