American intelligence planned attack and tracked terror chief for months; notified others in the region ahead of strike; found a houseful of extremists and children

Report says Defense Department has 'drastically undercounted' civilian deaths, undermining American claims of precision strikes

Revolutionary Guards intelligence chief Hossein Taeb reportedly pushed Shi'ite militias to step up attacks on American targets, a message they apparently heeded

Unclear who was behind firing of two rockets at al-Omar field

War monitor claims American-led forces are retaliating with 'heavy artillery'; reported exchange of fire comes after US strikes on pro-Iranian fighters along border with Iraq

As Trump pushes to withdraw troops from the Middle East, US Central Command chief says solution needed for refugees, or 'we're never really going to defeat ISIS'

Helicopters moved to airport in northeastern city of Qamishli as Russian military grows its presence in area after US withdrawal

US president contradicts his own aides, GOP leadership, who insist remaining American soldiers will continue fight against Islamic State

General Mark Milley says American forces need to stay in region to prevent resurgence of Islamic State

'We are proud of our taking a stand alongside the Kurdish people,' says Deputy FM Tzipi Hotovely, warning that they provide a bulwark against spread of Iranian influence in area