Members of Iran's Revolutionary Guard march during a military parade in southern Tehran September 21, 2008. REUTERS
"They will receive a firm and strong response to an unbelievable degree in the places and interests where they are based in the region and around the world," said Major General Mohammad Bagheri, according to the official IRNA news agency.
"The vain and useless imaginings of the US president will never be realised," he said.
Washington and Tehran have been trading angry threats since Sunday, when Iranian President Hassan Rouhani warned the US "not to play with the lion's tail" and that conflict with Iran would be the "mother of all wars".
Iran dismisses angry Trump warning against threatening US
His US counterpart Donald Trump responded with an all-caps tirade on Twitter: "NEVER, EVER THREATEN THE UNITED STATES AGAIN OR YOU WILL SUFFER CONSEQUENCES THE LIKES OF WHICH FEW THROUGHOUT HISTORY HAVE EVER SUFFERED BEFORE."
To Iranian President Rouhani: NEVER, EVER THREATEN THE UNITED STATES AGAIN OR YOU WILL SUFFER CONSEQUENCES THE LIKES OF WHICH FEW THROUGHOUT HISTORY HAVE EVER SUFFERED BEFORE. WE ARE NO LONGER A COUNTRY THAT WILL STAND FOR YOUR DEMENTED WORDS OF VIOLENCE & DEATH. BE CAUTIOUS!
— Donald J. Trump (@realDonaldTrump) July 23, 2018
Bagheri said Iran had "never instigated war" and "wanted peace and stability in the region".
But, he added: "All plots against the Iranian people will be strangled at birth and the enemies will receive an unforgettable lesson."
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