Trump says U.S. ‘must’ respond after Iran downs army helicopter  CTV NewsTrump says Iran shot down American military helicopter, U.S. ‘must’ respond  Global NewsIranian drone struck US helicopter at Strait of Hormuz — reports  The Times of IsraelTrump Says U.S. ‘Must’ Respond After Confirming Iran Shot Down Apache Helicopter  WSJDrone boat rescued two U.S. aviators after their army helicopter went down near the Strait of Hormuz  CTV News