# Iran Vows Retaliation Against US Economic Warfare Measures Iran's top security official warns of 'seismic' responses to US sanctions. - **Source:** [Fortune](https://fortune.com) - **Published:** 2026-08-23 - **Original article:** - **On Brifing:** https://brifing.si/s/5f62d5bd-71d3-46ac-936d-f4204f497c4b ## Iran's Stern Warning Mohsen Rezaei, head of Iran's Supreme National Security Council, declared that any country supporting new US economic measures against Iran would be seen as committing an 'act of war.' Rezaei stated that retaliations would be 'seismic.' This announcement is part of high-level appointments seen as hardening Iran's political and military stance. ## US Economic Measures US Treasury Secretary Scott Bessent announced plans to impose an 'unprecedented' level of economic warfare and isolation on Iran. These measures aim to create a new wave of pressure despite Iran living under sanctions for decades. Bessent's announcement is expected on Monday. ## Tensions in the Strait of Hormuz No attacks were confirmed in the Strait of Hormuz in the past 48 hours, but Iran's newly established Persian Gulf Strait Authority published a list of dozens of ships that will face future transit restrictions. The US blockade of Iranian ports redirected 70 commercial ships and disabled three. ## Pakistan's Mediation Efforts Pakistan's Army Chief Asim Munir will lead a delegation to Tehran on Monday. This visit aims to de-escalate tensions between the US and Iran and encourage a return to negotiations. Regional officials emphasized the importance of these efforts. ## Iran's Nuclear Program Iranian President Masoud Pezeshkian stated that the memorandum of understanding signed in mid-June was the best way to move beyond a 'neither war nor peace' situation. Pezeshkian stressed that no provision in the agreement amounted to capitulation. However, the 60-day negotiation period ended without signs of compromise. ## Iran's Execution Decision Iran's judiciary executed Majid Adineh, arrested during January protests. Adineh was convicted of joining unrest following calls by groups opposed to Iran's government and allegedly receiving training abroad. This execution reflects Iran's hardline domestic policy. ## Violence in the West Bank An Israeli settler was arrested for involvement in the beating of a Palestinian in the West Bank. The victim, Saeed Muhammad Ibrahim Rabah, accused settlers of trying to force families out. Additionally, Israeli forces shot and killed a 14-year-old boy in the Askar refugee camp. ## Airstrike in Gaza An Israeli airstrike in Gaza killed 4-year-old Mohammed Taha and injured at least five others. Israel's military claimed the strike targeted and killed a Hamas commander. This incident further escalated tensions in the region. ## Sources covering this story - https://fortune.com/2026/08/23/trump-economic-warfare-iran-sanctions-military-retaliation/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._