Americans are waking up to news of the US air strike in Baghdad, which killed Iranian military commander Qasem Soleimani and a number of others.
Here's a recap of what we know.
- US drone strike kills top commander: US President Donald Trump ordered an air strike on Baghdad airport that killed Qasem Soleimani, who as head of the Islamic Revolutionary Guards Corps (IRGC) Quds Force became the architect of Tehran's proxy conflicts in the Middle East.
- A huge escalation: Trump's move dramatically ramps up regional tensions that have pitted Tehran against Washington and its allies in the Middle East. The Pentagon blamed Soleimani for hundreds of deaths of Americans and their allies in several attacks in recent months.
- Pompeo says attack saved US lives: Soleimani had been involved in planning an "imminent attack" in the region that put American lives at risk, US Secretary of State Mike Pompeo told CNN on Friday. He said the US made an intelligence-based assessment that killing Soleimani would save Americans.
- Iran vows 'harsh revenge': Three days of national mourning have been declared in Iran, where Soleimani was revered as a national hero, and thousands of demonstrators were seen marching in Tehran. The Supreme Leader, Ayatollah Ali Khamenei, called for "harsh revenge," according to a statement published to his official website.
- Trump: Iran 'never won a war': Donald Trump tweeted combative remarks on Friday morning, writing: "Iran never won a war, but never lost a negotiation!"
- US tells citizens to get out of Iraq: The State Department urged US citizens Friday to leave Iraq immediately. It also warned that citizens "should not approach" its embassy in Baghdad and that all consular operations are suspended.
- Democrats warn of consequences: The strike has divided US lawmakers, with several Democratic presidential candidates raising concerns about what comes next. Joe Biden said Trump "tossed a stick of dynamite into a tinderbox," and Bernie Sanders said the move "puts us on the path" to war with Iran.
- World governments react: Russia has cautioned that the attack could have "grave consequences," while China has urged the US to show "restraint." In Europe, the UK called for "all parties to de-escalate." The French government told its citizens in Iran to stay away from public gatherings.
- Oil prices soar: Oil prices moved higher after the strike amid speculation that reprisals could target oil installations. Futures for Brent crude, a global benchmark, jumped 4.3% to $69.08 per barrel on Friday. US oil futures gained 4.1%, reaching $63.69 per barrel. Both are on track for their biggest daily gains in about a month.