Skip to content
Briefings are running a touch slower this week while we rebuild the foundations.See roadmap
Iran Conflict 2026
28MAR

Houthis fire second barrage at Israel

2 min read
17:06UTC

The second Houthi missile and drone attack on Israel in a single day confirms staged escalation, with Bab al-Mandeb closure declared openly as the next step.

ConflictDeveloping
Key takeaway

A second Houthi barrage in 24 hours confirms Iran's proxy network is activating in sequence.

The Houthis (Ansar Allah) fired their second missile and drone barrage at Israel on 29 March, following their first attack the previous day . Israeli military claimed interceptions; targets included what the Houthis described as "sensitive military sites" in southern Israel 1. Deputy information minister Mohammed Mansour has explicitly threatened Bab al-Mandeb closure as part of a staged escalation programme.

Tehran coordinated the timing. Houthi entry came the day after Pakistan confirmed US-Iran indirect talks had stalled and the day Iran published its five conditions . Two attacks in 24 hours is a demonstration of sustainable tempo, not a one-off provocation. The Long War Journal reports that Houthi leaders have conditioned further escalation on whether other nations join anti-Iran operations or use the Red Sea for strikes against Iran's allies.

The strategic problem is compounding. Hezbollah fired 600 projectiles at Israel on 28 March . The Houthis are now adding a second axis. Iran's proxy network is activating in sequence, each front requiring separate defensive resources from a coalition already stretched by the primary conflict.

Deep Analysis

In plain English

Yemen's Houthi movement, which controls most of northern Yemen including the Red Sea coast, is an Iranian-aligned armed group. On 28 March it fired its first missiles at Israel. Within 24 hours it fired a second wave. This matters because the Houthis also control the Bab al-Mandeb strait, the other end of the Red Sea from Hormuz. They have now explicitly threatened to close it. The situation in brief: Iran controls one end of the Gulf-to-Red Sea shipping corridor through Hormuz. Its Houthi allies may be about to close the other end at Bab al-Mandeb.

Deep Analysis
Root Causes

The Houthi activation followed Pakistan's confirmation that indirect US-Iran talks had stalled . Tehran appears to have calibrated proxy activation against the diplomacy clock: when talks collapsed, the proxy network activated. This suggests a deliberate coercive strategy rather than autonomous Houthi decision-making.

The Houthis have their own motivations that partially overlap with Tehran's. Bab al-Mandeb closure would be the single largest expression of Houthi strategic power and a recruiting and fundraising windfall domestically in Yemen.

First Reported In

Update #51 · Iran hits aluminium plants; Hormuz emptying

International Maritime Organisation / UKMTO· 29 Mar 2026
Read original
Different Perspectives
IAEA
IAEA
Director General Rafael Grossi appeared in person at the UNSC on 19 May and warned that a direct hit on an operating reactor 'could result in very high release of radioactivity'. The session produced a condemnation record but no resolution, and the Barakah perimeter was already struck on 17 May.
Hengaw (Kurdish rights monitor)
Hengaw (Kurdish rights monitor)
Hengaw documented three judicial executions and the detention of Kurdish writer Majid Karimi in Tehran on 19 May, establishing Khorasan Razavi province as the newest geography in Iran's wartime judicial record. The organisation's Norway-based operation continues to surface a domestic repression track running in parallel with every diplomatic and military development.
India
India
Six India-flagged vessels conducted a coordinated cluster transit under PGSA bilateral assurances during the 17 May window, paying no yuan tolls. New Delhi's inclusion in Iran's state-to-state passage track insulates Indian energy supply without requiring endorsement of the PGSA's yuan-toll architecture or alignment with the US coalition.
Pakistan
Pakistan
Pakistan is the only functioning diplomatic bridge between Tehran and Washington. Its role is relay, not mediation in the settlement sense: it conveyed Iran's 10-point counter-MOU in early May, relayed the US rejection, and is now passing 'corrective points' in the third documented exchange of this sub-cycle without either side working from a shared text.
UK and France (Northwood coalition)
UK and France (Northwood coalition)
Twenty-six coalition members have published no rules of engagement eight days after the Bahrain joint statement; Lloyd's underwriters have conditioned war-risk reopening on written ROE from either Iran or the coalition. Italian and French mine-countermeasures deployments are operating on the in-water clearance task CENTCOM Admiral Brad Cooper's 90% mine-stockpile claim does not address.
Saudi Arabia
Saudi Arabia
Riyadh has not publicly commented on the Barakah strike or the 50-47 discharge vote. Saudi output feeds the IEA's $106 base case; the $5 Brent premium above that model reflects institutional uncertainty no Gulf producer can compress through supply adjustment alone.