Yemen's Iran-aligned Houthis on June 8 declared a total ban on Israeli maritime navigation in the Red Sea and launched attacks linked to Israel [1, 2, 3]. A Houthi source told Reuters that the ban on Israeli ships was a first step. The group warned of further escalation, including stopping any vessels bound for Israel and taking other measures if tensions rise [1, 2, 4].
The Houthis are a military, political, and religious movement from north Yemen aligned with Iran. They adhere to the Zaydi sect of Shi'a Islam and captured Yemen's capital in 2014. They are engaged in a conflict against the Yemeni government, which is backed by Saudi Arabia [2, 4]. The Houthis have previously attacked Saudi and UAE oil infrastructure.
Since February 28, 2026, Iran has closed the Strait of Hormuz following attacks by Israel and the US. This closure has disrupted most oil exports from the Gulf, causing global energy shocks [1, 2, 3, 4]. In response, Saudi Arabia has diverted over 70% of its normal daily crude exports to its Red Sea port of Yanbu, avoiding the blocked Strait of Hormuz [2, 4].
Houthi attacks on Red Sea shipping intensified starting in October 2023 with the Gaza war, prompting shipping companies to reroute vessels around Africa to avoid the region [1, 2, 4]. The ongoing conflict in Yemen persists despite a 2022 truce between the warring sides that has largely held but left tensions unresolved [2, 4].
The Houthis' ban on Israeli shipping and recent attacks add new risks to Red Sea maritime routes already affected by previous hostilities. The group’s declaration marks a potential shift toward escalating interference with commercial navigation in the region.
The situation remains fluid with the Houthis having signaled possible wider actions against shipping to and from Israel. Monitoring of Red Sea traffic and regional responses is underway as tensions escalate.