Gholamreza Soleimani, the leader of the Basij militia in Iran
Israel claims to have targeted and killed Iran’s Basij militia commander, Gholamreza Soleimani, in Tehran, marking a bold move in internal security warfare that could reshape the region. Mahmoud Rahimi / Mehr News/Wikimedia Commons

Israel has decapitated the leadership of Iran's internal security apparatus, confirming the assassination of Basij commander Gholamreza Soleimani and claiming the death of de facto leader Ali Larijani in a massive overnight strike in Tehran.

The Israel Defence Forces (IDF) announced on 17 March 2026 that the precision operation targeted Soleimani in a makeshift 'combat tent', a location chosen by the IRGC to evade detection after their permanent headquarters were decimated.

While Tehran has remained officially silent, Israeli Defence Minister Israel Katz declared that the strikes have 'eliminated' the regime's most senior remaining officials, including Larijani, the Secretary of the Supreme National Security Council, who had emerged as Iran's primary power broker following the assassination of Supreme Leader Ali Khamenei on 28 February.

Decimating The Basij

The elimination of Gholamreza Soleimani marks a strategic pivot for the IDF, moving from military infrastructure to the 'repressive apparatus' that keeps the clerical establishment in power. Soleimani, who commanded the 5-million-strong Basij militia for six years, was the architect of the violent crackdowns on anti-government protesters that peaked in January 2026. Basij is a volunteer paramilitary force of Iran formed following the 1979 revolution.

The IDF stated that under Soleimani's leadership, the Basij employed 'severe violence, widespread arrests, and the use of force' to stifle internal dissent. By targeting him in a safe house alongside his deputy, Seyyed Karishi, Israel aims to shatter the chain of command of the force responsible for urban control. Military analysts suggest that without a centralised head, the Basij's ability to quell the rising tide of internal revolution—often referred to as the 'March Uprising'—will be severely compromised.

Ali Larijani: Iran's 'De Facto' Leader

Perhaps even more momentous for Israel is the reported death of Ali Larijani. Since the start of the war 18 days ago, Larijani had served as the public face of the Iranian resistance, coordinating national security and even managing day-to-day governance in the power vacuum left by Khamenei. Israeli Prime Minister Benjamin Netanyahu referred to Larijani as the 'boss of the regime' and a 'gangster' whose removal offers the Iranian people a chance to 'take their fate into their own hands.'

Conflicting signals continue to emerge from Tehran. Shortly after the Israeli announcement, a handwritten note was posted to Larijani's official X account commemorating fallen sailors. However, Israeli intelligence sources remain 'strongly optimistic' that the strike was successful, noting that Larijani failed to deliver a scheduled public address on Tuesday morning. If confirmed, his death leaves the Iranian state without its most experienced diplomat and security coordinator at a time of total war.

'A Message To Tehran: No One Is Untouchable'

The 17 March strikes represent the most audacious penetration of Iranian airspace since the war's inception. Beyond the political leadership, the IDF also confirmed the elimination of Akram al-Ajouri, the deputy chief of Palestinian Islamic Jihad (PIJ), who was reportedly hiding in a Tehran safe house. This 'triangular' strike—hitting internal security (Soleimani), political leadership (Larijani), and proxy coordinators (Ajouri)—demonstrates a level of intelligence penetration that has left the remaining IRGC leadership paralysed.

With the Festival of Fire (Chaharshanbe Souri) beginning in Iran tonight, the timing of the assassinations appears calculated to embolden protesters. As smoke rises over Tehran from both celebratory bonfires and Israeli munitions, the world watches to see if the removal of the regime's 'enforcer' and its 'diplomat' will finally trigger the collapse of the clerical establishment.

The Intelligence Trap: How Israel Found The 'Combat Tents'

The IDF's so-called success in locating Soleimani and Larijani underscores a catastrophic failure of Iranian counter-espionage. Since the destruction of the Tharallah Headquarters in early March, senior IRGC officials have avoided traditional bunkers, opting instead for high-mobility 'combat tents' and civilian safe houses in northern Tehran.

  • Signal Intelligence (SIGINT): Reports suggest that the 'precise intelligence' mentioned by the IDF involved tracking encrypted courier communications rather than digital signals, which the IRGC had largely abandoned.
  • The Larijani Note: Analysts believe the handwritten note posted on Larijani's X account may have been a pre-dated 'dead man's switch' or a desperate attempt by his staff to project stability while the regime assesses the damage.
  • Targeting the 'Axis': The strike also eliminated Muhammad al-Hindi, another senior PIJ figure, suggesting that Tehran has become a 'death trap' for regional proxy leaders who fled to the capital for safety.

Global Economic Fallout: The $115 Oil Ceiling

The targeted strikes in Tehran have sent shockwaves through global markets. As Iran retaliates with drone attacks on Gulf production facilities, Brent crude has breached $115 a barrel, the highest level since the early stages of the Ukraine conflict.

  • Insurance Spikes: Maritime insurance for the Persian Gulf has increased by 400% in the last 48 hours, effectively halting non-state shipping through the Strait of Hormuz.
  • The Trump Factor: US President Donald Trump has called for a 'speedy victory,' but the volatility in energy prices is placing immense pressure on his administration to secure the shipping lanes, even as the UK and EU refuse to commit naval forces to the blockade.