How the US-Israeli war against Iran exploded into a regional conflict, as Tehran retaliated with strikes across the Middle East

• US-Israel war on Iran – live updates

A US-Israeli war against Iran that began on Saturday with bombing and missile attacks that killed Iran’s supreme leader, Ali Khamenei, has exploded into a regional conflict, with Tehran retaliating by launching strikes across the Middle East.

On Tuesday, Israel’s military launched a ground invasion of Lebanon, where it has been carrying out intense strikes after Iran’s ally, Hezbollah, fired rockets across the frontier.