Iranian media quoted the military as saying human error led to the attack. The foreign minister blamed "US adventurism." Missiles struck the plane just after it took off from Tehran.
Administration officials say Iranian Gen. Qassem Soleimani was killed to prevent "imminent attacks." They're being questioned about what "imminent" means.
Video footage and the locations of key Iranian military facilities lend credence to the idea that the jetliner carrying 176 people was accidentally shot down.
As investigators learn more about what happened to a Ukrainian International Airlines flight which crashed in Tehran, a growing body of online evidence suggests it was shot out of the sky.
After a week of intense news, Iranians share their thoughts on tensions between their country and the United States on the way to Friday prayers in Tehran.
NPR's Audie Cornish talks to Mayita Meléndez, mayor of Ponce, Puerto Rico, about the recovery efforts in her region after this week's 6.4 magnitude earthquake.
NPR's Ari Shapiro talks to retired Adm. James Stavridis, who was also formerly supreme allied commander Europe of NATO, about President Trump's request for NATO to be more involved in the Middle East.
NPR's Ari Shapiro talks with journalist Muhammad Lila about the ripple effects of loss across the country after a recent plane crash in Iran killed dozens of Canadians of Iranian heritage.