Video provided by the U.S. military appears to show Marines seizing an Iranian cargo ship near the Strait of Hormuz. Iran has threatened to retaliate as the ceasefire is set to expire this week. Charlie D'Agata has the latest.

Concerns grew on Monday that the ceasefire ⁠between ⁠the United States and Iran might not hold after ⁠the U.S. said it had seized an Iranian cargo ship that tried to run its blockade and Iran vowed to ​retaliate.

The U.S. Navy’s seizure of an Iranian-flagged cargo ship has cast doubt on President Donald Trump’s announcement of a second round of talks with Iran

Tensions are high at the Strait of Hormuz and Iranian ports in the area affected by a U.S. blockade. CBS News' Charlie D'Agata reports, and "60 Minutes" correspondent has more on potential blueprints for operations to remove Iran's stockpile of highly enriched uranium.

An Iranian official vowed retaliation for the U.S. attack on an Iran-flagged vessel near the Strait of Hormuz. But Iran’s president said the war “benefits no one,” as an American delegation prepared for more peace talks.

Iran threatened retaliation after the seizure in the Gulf of Oman, and it wasn't clear whether Tehran would attend talks in Pakistan, with a ceasefire set to expire Wednesday.

It is impossible for others to pass through the Strait of Hormuz while we cannot,” Iranian parliamentary Speaker Mohammed Bagher Qalibaf said in an interview aired on state television late Saturday. Qalibaf,

President Donald Trump says the U.S. seized an Iranian-flagged cargo ship that tried to circumvent its naval blockade near the Strait of Hormuz