Yemen’s Houthis claim major advance on the western Red Sea coast. They seized Perim Island, situated at the mouth of the Bab al‑Mandab Strait, further tightening control over a key international shipping route.

The Iran‑backed group captured the island a day after taking the strategic port city of Mokha from Saudi‑backed pro‑government forces, according to Yemeni military sources.

While the Houthis previously pledged they would not threaten international shipping, they now reiterated a threat to target vessels from Saudi Arabia.

Saudi Crown Prince Mohammed bin Salman has urged the United States to take military action against the Houthis. President Trump has declined direct military involvement, offering intelligence and targeting support instead.

A senior Trump administration official said the administration is in continuous dialogue with Saudi Arabia and the Republic of Yemen government regarding regional stability.

Perim Island sits at the narrowest point of the Bab al‑Mandab Strait, a waterway increasingly important as the Strait of Hormuz has been affected by the US‑Iran conflict. Saudi Arabia relies on this route to ship oil to Asian markets.

The expanded Houthi control over the coastline has contributed to a surge in oil prices.

Hundreds of people have been killed and thousands displaced since the Houthi offensive began a week ago. The International Organization for Migration (IOM) reports at least 46,000 people have been displaced in Yemen, with the figure rising hourly.

The Houthis ousted the internationally recognised government in 2015, which prompted Saudi military intervention. They now control much of Yemen, including Sanaa, and the ceasefire that held for over four years collapsed in July.