Seth Jones of the center for Strategic and International Studies talks about the U.S military's capacity to carry out extended strikes in Iran, and Iran's ability to retaliate.
Three U.S. service members have been killed in ongoing operations in the Middle East, as U.S. and Israeli strikes continue to hit Iran and Iran responds with waves of missiles and drones across the region.
Fighting intensified in the Middle East during the Olympic truce, in effect through March 15. Flights are being disrupted as athletes and families converge on Italy for the Winter Paralympics.
Israel said on Sunday it had launched more attacks on Iran, while the Iranian government continued strikes on Israel and on U.S. targets in Gulf states, Iraq and Jordan.
The Iranian government has announced 40 days of mourning. The country's supreme leader was killed following an attack launched by the U.S. and Israel on Saturday against Iran.
What will negotiations look like in the weeks after the U.S. and Israel's strikes on Iran? Robert Malley -- who was a lead negotiator on the 2015 Iran Nuclear deal -- offers some insight.
What are people in Iran saying about today's attacks by the U.S. and Israel? We hear from people on the ground who experienced the event as it unfolded.
Khamenei, the Islamic Republic's second supreme leader, has been killed. He had held power since 1989, guiding Iran through difficult times -- and overseeing the violent suppression of dissent.