Latest News U.S. begins blockade in Strait of Hormuz. Here’s what we know 4 weeks ago Financial News The U.S. on Monday said it began blocking ships from entering or exiting Iranian ports in the Strait of Hormuz, attempting to ratchet up pressure on Iran to reopen the key oil route after peace negotiations collapsed. CNBC’s Megan Cassella explains. Post navigation Previous Surprise inspection catches shocking state of ICE immigrant prisonNext Global energy MAP rapidly REWRITES amid crisis