Iran said on Monday that the US attack on its nuclear sites expanded the range of legitimate targets for its armed forces and called US President Donald Trump a "gambler" for joining Israel's military campaign against the Islamic Republic.
Since Trump joined Israel's campaign by dropping massive bunker-buster bombs on Iranian nuclear sites on Sunday morning, Iran has repeatedly threatened to retaliate.
But while it has continued to fire missiles at Israel, it has yet to take action against the United States itself, either by firing at US bases or by targeting the 20% of global oil shipments that pass near its coast at the mouth of the Gulf.
"Mr Trump, the gambler, you may start this war, but we will be the ones to end it," Ebrahim Zolfaqari, spokesperson for Iran's Khatam al-Anbiya central military headquarters, said on Monday in English at the end of a recorded video statement.
Iran and Israel traded another wave of air and missile strikes on Monday as the world braced for Tehran's response.
Trump's administration has repeatedly said that its aim is solely to destroy Iran's nuclear programme, not to open a wider war.
But in a social media post on Sunday, Trump openly spoke of toppling the hardline clerical rulers who have been Washington's principal foes in the Middle East since Iran's 1979 revolution.
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