US Navy Seizes Iranian Ship M/V Touska in First Forcible Blockade Enforcement

Tuesday, April 21, 2026

The U.S. Navy seized an Iranian-flagged cargo vessel, the M/V Touska, after a tense six-hour standoff in the Arabian Sea near the Strait of Hormuz, marking the first forcible interdiction since the U.S. imposed a naval blockade on Iranian ports last week. President Trump announced on Truth Social that the USS Spruance destroyer issued multiple warnings to the ship, which ignored them and continued at 17 knots toward Iran; when it failed to comply, U.S. forces fired several rounds from a 5-inch gun into the engine room, disabling propulsion and allowing Marines to board without reported casualties.

According to U.S. Central Command, the operation followed standard protocols: repeated radio warnings, an order for the crew to evacuate the engine room, and then precise disabling fire described as "deliberate, professional, and proportional." The Touska, a 900-foot vessel owned by the sanctioned Islamic Republic of Iran Shipping Lines—linked to Iran's ballistic missile program—is now in U.S. custody, with authorities inspecting its cargo for potential illicit activity. This incident follows the U.S. directing 25 other vessels to turn back, underscoring the blockade's enforcement amid Iran's full closure of the Strait of Hormuz, a chokepoint for 20% of global oil traffic.

Iran's military condemned the action as "maritime piracy" and a violation of a fragile two-week ceasefire set to expire Wednesday, vowing a "swift response" through state media. Tehran has rejected upcoming U.S.-led peace talks in Pakistan scheduled for Tuesday, with its parliamentary speaker insisting the strait remains closed until the U.S. lifts the blockade. As reported by naval law expert Jennifer Parker in The Independent, the seizure raises sharp questions about its legality under international maritime law, particularly whether the U.S. blockade—unprecedented since the Cuban Missile Crisis—complies with UN conventions on freedom of navigation.

The event escalates tensions in a broader U.S.-Iran conflict, disrupting global shipping and energy markets while affecting Iranian civilians reliant on imports. U.S. officials have not detailed next steps for the Touska, which could be towed, released, or confiscated based on findings, but the boarding highlights the Navy's readiness to use force beyond routine sanctions enforcement. With negotiations shaky and no ceasefire extension announced, the risk of further confrontations in this vital waterway looms large, potentially drawing in regional powers and complicating Middle East stability.

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US Navy Seizes Iranian Ship M/V Touska in First Forcible Blockade Enforcement | SRMED