Iranian drones crashed near Nakhchivan airport and a school in Azerbaijan's Iran-bordering exclave, wounding 4 airport workers. President Aliyev accused Iran of a 'groundless act of terror' and ordered military preparations for retaliation. Iran denied involvement. Major regional escalation. Source: https://www.pbs.org/newshour/world/pummeled-by-airstrikes-iran-launches-new-wave-of-attacks-against-israel-and-u-s-bases