The BBC's State Department correspondent and Washington correspondent explain how the president is justifying the action and assess the risks ahead.
The Israeli defence minister, Israel Katz, said the “pre-emptive strike” was to “remove threats against the State of Israel”. Last June, Israel launched an attack on Iran, leading to the 12-Day War.
The US and Israel have launched a large scale attack on Iran, which President Trump says is an opportunity for Iranians to ...