Democrats call to declassify president's notification to Congress of reasons for assassination; Tehran, for its part, has vowed 'bodies of Americans' throughout the region

Iranian state TV describes attack as Tehran’s revenge operation over last week's killing of Qassem Soleimani

Official says Washington anticipating 'major' attack by Iran, possibly targeting an American commander; US air force seen readying forces for possible war

After president repeats his warning: Defense Secretary Mark Esper says US will 'follow the laws of armed conflict,' which prohibit such acts

Incident highlights confusion over US policy in Iraq; Joint Chiefs Chairman Mark Milley calls letter 'honest mistake, a draft unsigned letter, because we are moving forces around'

After Baghdad lawmakers urge government to oust American soldiers, head of US task force tells Iraqi commander troops will be 'repositioned'

US president said angered by killing of American contractor and TV images of embassy attack; Trump reportedly told Mar-a-Lago guests there would be 'big' response

US defense secretary's claim follows an attempt by an Tehran-sponsored Iraqi militia to break into the US embassy in Baghdad

Pentagon chief announces deployment of extra troops to guard diplomatic facility that came under attack by pro-Iran protesters

US defense chief tells Iraq's outgoing PM that rocket attacks blamed on Iran-backed militias 'not good for anybody'