Houthi fighters launched an offensive on September 21, 2026, to seize strategic heights in Yemen's Kahboub Mountains to cut off the Red Sea coast from Saudi-backed forces.

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Houthi forces are attempting to seize the Kahboub Mountains and routes separating the Red Sea coast from government-held southern Yemen. Control of these positions would consolidate their recent territorial gains and obstruct a government counteroffensive. The UN reported nearly 700 deaths and approximately 130,000 internal displacements. Reuters could not verify the report that Donald Trump cancelled planned U.S. strikes.