On the evening of September 22, ballistic missiles launched by Yemen's Houthi rebels reached Riyadh, striking a fuel depot near King Khalid International Airport and setting the Saudi capital's skyline alight with fire and smoke. The attack, claimed by the Iranian-backed group, drew a formal condemnation from King Salman, who framed it as terrorism against the kingdom's sacred heart. What had long been a grinding, peripheral conflict has now arrived at the seat of power itself — a reminder that wars rarely stay where those who start them intend.