Israeli airstrikes on Yemen's Sanaa airport disrupted essential civilian operations during a U.N. delegation's visit, as tensions escalate with Houthi rebels targeting Israel. At least three have died in the strikes, which Israel claims are targeting Houthi military infrastructure. U.N. officials stressed the airport is civilian, vital for humanitarian aid. The deteriorating situation in Yemen highlights the humanitarian crisis affecting millions, with conflict driven by Iran-backed factions.