<h1>Mass drone and missile attack kills civilian, wounds dozens; cross-border strikes hit energy infrastructure amid arms sale</h1> A state launched a mass drone and missile assault on southern territory, with one civilian killed and 28 wounded after a residential building strike; authorities reported 537 strike drones and decoys and 45 missiles were fired, with air defenses downing the majority. A separate recent capital airstrike killed 23 and damaged diplomatic offices. In response, a foreign government approved an $825 million arms sale including extended-range missiles. The defending state also struck energy infrastructure across the border, causing refinery fires and domestic fuel shortages that prompted export bans. Separately, a former parliamentary speaker was fatally shot in a western city; investigations have been pledged and the motive remains unclear.