Abubaker Saeed was fishing off Yemen's coast when coalition airstrikes hit positions near his village of al-Wahijah. By the time he reached shore, Houthi fighters were battling government forces on the ground. He watched three people shot dead. After 12 hours of combat, with all overland escape routes seized by the militia, he loaded his wife and two children — aged nine months and five years — onto a boat with 80 others and crossed the Bab al-Mandab strait to Djibouti. They carried nothing. Saeed's story is replicated thousands of times over. Since the Houthi offensive began in early September 2024, more than 900 people have been killed and at least 250,000 displaced within Yemen. As of 8 October, 3,807 Yemenis had arrived at the Markazi humanitarian site near Obock, Djibouti — a facility already hosting refugees from the original 2014 civil war. The site is overwhelmed: shelter, water, sanitation, food, and healthcare are all stretched past capacity. The strategic trigger is the Bab al-Mandab strait itself. Houthi militia launched a lightning offensive along Yemen's Red Sea coast in early September, seizing key positions around the strait — which had become a critical alternative route for Saudi oil exports after disruptions in the Strait of Hormuz caused by the US war against Iran. Control of this chokepoint gives the Houthis leverage against Saudi Arabia, the UAE, and global shipping simultaneously. The escalation has been rapid and dangerous. Houthis have attacked Saudi airports, tankers, and oil facilities. On 10 October, a missile strike on King Khalid International Airport in Riyadh killed 13 people. The group fired drones and missiles toward Saudi Arabia in July after what they described as Saudi airstrikes on Sana'a international airport aimed at preventing an Iranian plane from landing. The ceasefire brokered by the UN in 2022 is now functionally dead. Inside Yemen, the humanitarian toll compounds a crisis the UN already classified as one of the world's worst. More than half the population needs humanitarian assistance. In Taiz governorate alone, more than 100,000 have sought refuge, but fighting around Yemen's third-largest city is intensifying as Houthis encircle it and seize routes in and out, raising fears of a siege. Prosper Global (formerly Mercy Corps) reports that ongoing fighting and movement restrictions are making aid delivery increasingly dangerous. The human texture of the displacement is brutal. Madinah Abdullah, 43, survived airstrikes and gunfire in Mocha before fleeing with eight family members after Houthis took the city and began forcibly recruiting boys and young men. Aisha Ismail, 33, still carries a bullet in her leg from the war's onset. She fled with her elderly father and sister, trekking miles to find a boat because they had no male relatives to protect them. At Markazi, food distributions fall short — Ismail said her last meal was the previous day. The pattern is a decade old but the geography is new. The war has migrated to the single most strategically significant waterway in the region, implicating Saudi oil logistics, global shipping, and the Iranian-Saudi proxy competition simultaneously. Djibouti — a tiny nation with limited resources — absorbs the human cost while the international community weighs whether this escalation draws additional belligerents into the conflict.