Videos from across Iran show the scale of the attack

Videos shot across Iran showed massive explosions in several cities as the conflict in the region entered its fourth day.

The United States and Israel attacked Iran on Saturday, killing Supreme Leader Ayatollah Ali Khamenei.

Videos shared on social media – confirmed by the BBC and news agencies – showed multiple explosions and destruction across the country over the past few days.

The United States also shared videos it said showed military targets being attacked.

Iran responded with a wave of attacks across the region.