Iran’s Supreme Leader Ayatollah Ali Khamenei has warned that the U.S. “will definitely pay a heavy price” should it attack Iran again.

The families of hostages held in Gaza have faced a 20-month-long nightmare. As they try to advocate for their loved ones’ fates, they have been confronted with the whims of Israeli and Hamas leaders and the other crises that have engulfed the Middle East.

The president announced a truce and Israel later said its airports were returning to full activity and it was lifting restrictions on civilian movements.