<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Iranian gunboats have opened fire on a tanker attempting to pass the Strait of Hormuz, hours after the Iranian military said it would close the Strait due to "repeated breaches of trust".</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The UK Maritime Traffic Organisation (UKMTO) issued an advisory that two Iranian Revolutionary Guard Corps (IRGC) gunboats had fired upon a tanker as it passed the strait.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The crew and the ship are safe but it's unclear if there's been any damage. The UKMTO did not report which nation the tanker was flagged to.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/world/us-israel-iran-war-live-updates-april-17-donald-trump-latest-world-news-headlines/f95384a1-2f5d-4d88-9ac7-d41f20746d48"><strong><span>Albanese reveals how Australia could help secure Strait of Hormuz</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The latest development comes in a confusing about-face for both sides, which seemed close to etching out a deal that would see the Strait of Hormuz opened and defended by a group of nations allied to the US.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Iran's military says restrictions on the passage of ships through the Strait of Hormuz are being reimposed, alleging "repeated breaches of trust" by the United States in the two sides' ceasefire.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>On Friday, Iranian Foreign Minister Abbas Araghchi posted on X that the Strait was open to traffic, but within hours Iranian state media confirmed the "full supervision of Iranian armed forces over the passage of ships, and such passage is considered null and void if the alleged naval blockade continues".</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/world/us-israel-iran-war-strait-of-hormuz-tanker-fired-upon-by-iranian-gunboats/b2966ea4-4d42-4ed8-bbb0-dd69cfa296c6" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>US President Donald Trump has insisted a naval blockade of Iranian ports will remain in place until a full agreement is reached with Tehran.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><h2><span>Iran's navy ready to inflict "new defeats" on enemies, Supreme Leader warns in new message</span></h2></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A message purportedly from new Supreme Leader Mojtaba Khamenei warns that Iran's navy "stands ready to make the enemies taste the bitterness of new defeats."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Khamenei, who hasn't been seen in public or released any video messages since his appointment as Iran's Supreme Leader six weeks ago, didn't reference any of the recent confusion over the status of the Strait of Hormuz in the written message.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Instead, it praised Iran's army for "courageously defending the territory, waters and the flag that belongs to it."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Only a handful of statements have been attributed to Khamenei. This one marked the occasion of Army Day, which coincided this year with the birthday of his late father, Iran's former Supreme Leader Ayatollah Ali Khamenei, who was assassinated in joint US-Israeli airstrikes at the start of this war.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><em><span>More to come ...</span></em></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><em><span>NEVER MISS A STORY:</span></em></strong><span> </span><em><span>Get your breaking news and exclusive stories first by following us across all platforms.</span></em></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><ul><li><strong><em><span>Download the 9NEWS App here via</span></em></strong><span> </span><a href="https://apps.apple.com/au/app/9news/id1010533727" target="_blank"><strong><em><span>Apple</span></em></strong></a><span> </span><strong><em><span>and</span></em></strong><span> </span><a href="https://play.google.com/store/apps/details?id=nineNewsAlerts.nine.com&amp;hl=en_AU&amp;pli=1" target="_blank"><strong><em><span>Google Play</span></em></strong></a></li><li><strong><em><span>Make 9News your preferred source on Google by</span></em></strong><span> </span><a href="https://9.nine.com.au/8x987w" target="_blank"><strong><em><span>ticking this box here</span></em></strong></a></li><li><strong><em><span>Sign up to</span></em></strong><span> </span><a href="https://login.nine.com.au/edm?client_id=nineatnine" target="_blank"><strong><em><span>our breaking newsletter here</span></em></strong></a></li></ul></div></div>