A senior adviser to the Leader of the Islamic Revolution has warned that any country cooperating with a US-led blockade against Iran would be committing an “act of war,” stressing that all those involved would bear responsibility for the consequences.

“The aggressors seeking to harm Iran have heard the repercussions of their actions reverberate across the region, Europe and the United States,”  Mohammad Mokhber wrote in a post on X on Wednesday.

He further warned that any country cooperating in the illegal blockade would face the repercussions of involvement.

“Today, any form of cooperation in the hostile blockade against Iran constitutes an act of war, one that will be recorded in the historical memory of the Iranian nation. The responsibility and consequences of such actions will fall upon all those involved, irrespective of geographical boundaries.”

Mokhber made the remarks in response to threats by Iran’s adversaries.

On Saturday, the United States Central Command (CENTCOM) announced plans to block Iran’s supply routes across its land borders and the Caspian Sea, expanding its naval blockade of Iranian ports.

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Pezeshkian says he will use the upcoming UN climate summit in Turkey to raise the environmental damage caused by US-Israeli aggression against Iran and the region.

Washington imposed the illegal naval blockade in April, following the US-Israeli aggression launched against Iran on February 28.

Tehran retaliated with waves of missile and drone strikes against Israeli-occupied territories and US bases and interests across the region, while restricting US and allied vessels from passing through the strategic Strait of Hormuz.

The move disrupted global energy supplies, sending oil and fuel prices soaring, particularly in the United States. Washington and the International Energy Agency (IEA) have since released strategic oil reserves several times in an effort to ease supply pressures.