Iran's President Masoud Pezeshkian on Saturday threatened harsh retaliation against neighbouring countries should Iranian infrastructure or economic centres be attacked.
In a message "to the countries of the region" posted on X, Pezeshkian wrote: "If you want development and security, don't let our enemies run the war from your lands."
According to Iranian sources, Israeli and US forces had previously expanded their aerial attacks on steelworks and defence and energy infrastructure facilities in several Iranian provinces.
Since the start of the war on February 28, Iran has in turn attacked targets in several Gulf states hosting US military bases.
Meanwhile, the Israeli army said it had completed a further wave of attacks against targets in Tehran linked to the Iranian leadership.
No details regarding the exact targets or possible consequences were initially available.
Reports of new Iranian missile attacks also emerged in Israel, with sirens sounding in several areas in the south of the country.
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