U.S. military forces fired on a ship flying the Panamanian flag, claiming it was attempting to break the American blockade on Iranian ports. This was reported by The Wall Street Journal, citing an American official. According to the source, a U.S. military helicopter fired on the ship after its crew ignored American warnings. No casualties were reported in the incident, and according to the source, the ship's crew apparently attempted to transfer to another civilian vessel after the attack.