In a significant escalation of tensions, the Saudi-led coalition, backing Yemen's internationally recognized government, has pledged an "unprecedented" response to any threats or violations against the kingdom or Yemeni sovereignty. This decision comes in response to recent Houthi threats and the landing of an Iranian civilian aircraft in Sanaa, Yemen's capital controlled by the Houthis, for the first time in over a decade. The Iran-aligned movement has been accused of seeking to export economic hardships and deflect from domestic issues. Houthi military spokesperson Yahya Saree had earlier threatened a "comprehensive" response targeting Saudi airports and interests, claiming his forces prevented Saudi warplanes from blocking an Iranian civilian aircraft carrying more than 200 patients and a Houthi delegation bound for Tehran. The coalition warns of potential targeting of Yemeni civilian infrastructure, including the ports of Hodeidah, Ras Isa, and as-Salif, Sanaa International Airport, power stations, and industrial facilities. The coalition's spokesperson, Major-General Turki al-Maliki, emphasized that any attempts to target Saudi Arabia or violate Yemeni sovereignty would be met with "unprecedented determination and force." The coalition also reiterated previous accusations of Houthi attacks on shipping lanes and international trade in the southern Red Sea and Bab al-Mandeb Strait. The emergency meeting held by Yemen's Presidential Leadership Council, internationally recognized, condemned the Iranian flight as a violation of Yemeni sovereignty and called for deterrent measures from the UN and regional partners against further escalation. The Saudi-led coalition intervened in Yemen in 2015 following the Houthis' seizure of Sanaa and ousting of the internationally backed government, leading to widespread displacement and damage, with the UN describing the situation as one of the world's most severe humanitarian crises.