The Iranian regime said the U.S. naval blockade of Iranian ports violates the ceasefire and threatened retaliation for a U.S. attack on an Iranian-flagged commercial vessel. ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. https://abcnews.com Download the ABC News app for the latest headlines and alerts: https://abcnews.com/devices Connect with ABC