Red Sea shipping, the cargo traffic moving through a critical maritime chokepoint linking Europe to Asia, came under attack from Yemen-based fighters. Saudi Arabia intercepted two ballistic missiles launched from Houthi-held territory and then struck back against the militia's positions inside Yemen, according to Greek security sources who spoke with Reuters. Those same sources described the exchange as part of a second front in the broader Iran conflict.
Who the Houthis are
The Houthis are an Iran-backed armed militia operating out of Yemen. Their attacks on Red Sea shipping prompted the Saudi military response. The Red Sea corridor narrows sharply near the Yemeni coast, and ships that want to avoid the area must reroute around southern Africa, a detour that adds time and cost to voyages. That geographic fact gives a militia with limited conventional military reach an outsized capacity to disrupt international cargo.
The intercept and the counterstrike
Saudi Arabia's forces shot down two ballistic missiles fired from Yemen. A ballistic missile travels on a rocket-powered arc: propelled upward by an engine, it follows a curved trajectory to its target without sustained thrust on the way down. Greek security sources passed the intercept information to Reuters as events were unfolding. Saudi Arabia then conducted its own airstrikes against Houthi positions inside Yemen. The sequence is worth stating clearly: this was a counterstrike after an incoming missile attack, not a preemptive or standalone operation.
A second front
Greek security sources characterized the escalation as a second front in what they called the Iran war. The framing places the Houthi campaign in a regional context. Tehran backs the militia, and the Red Sea attacks extend that backing into a maritime pressure campaign touching cargo flows well outside the region. Saudi Arabia and the Houthis fought an extended war before a ceasefire took hold; this exchange tests whether that arrangement survives. The source reporting provided no figures on casualties or damage to vessels.