New Delhi, Jan. 15 -- Iran has escalated its rhetoric against the United States by airing footage of the attempted assassination of Donald Trump on state television, alongside a chilling warning that "this time, the bullet won't miss", even as Tehran partially shut its airspace amid mounting domestic unrest and regional tensions. The developments come at a volatile moment in US-Iran relations, with nationwide protests inside Iran, international travel disruptions, and renewed speculation over possible American military action.

Below are the ten key developments shaping the fast-moving crisis.

Iran's state broadcaster aired footage from the Butler, Pennsylvania rally showing a bloodied then-presidential candidate Donald Trump, accompanie...