Iran's military leader killed: Qasem Soleimani, top general and one of the most powerful men in Iran, was killed in a drone strike at Baghdad airport on Friday. His deputy was also killed.

Trump ordered the strike: Secretary of State Mike Pompeo said the airstrikes disrupted an "imminent attack" in the region that put American lives at risk.

US deploying troops: The US is sending thousands of additional troops to the Middle East in response, according to a US defense official.