New Delhi, April 6 -- Iran on Sunday vowed to respond "in kind" to American attacks against its infrastructure, hours after US President Donald Trump, in an expletive-laden threat, vowed to unleash "Hell" on Tehran if the Strait of Hormuz was not opened by Tuesday.

"Our armed forces have made it clear that in case Iran's infrastructure is attacked, we would react in kind," Iran's foreign ministry spokesperson Esmail Baghaei told Al Jazeera via email.

"Our armed forces would target any similar infrastructure that is owned or in any way or manner related to the United States or contributes to their act of aggression against Iran," he added.

Baghaei wasn't the only Iranian official who hit out against Trump --- the country's Parliament Sp...