The Bahrain-based US Navy’s Fifth Fleet in a statement, said it monitored the incident but assessed the circumstances did not warrant further response.
British maritime security company Ambrey said it was aware of an attempted seizure by Iranian forces of a small Tanzanian-flagged tanker, about 59 nautical miles northeast of the Saudi Arabian port city of Dammam.
The US has long accused Iran of harassing and seizing commercial vessels in the Strait of Hormuz, a key transit hub in the global energy market.
Iran said it had a court order to seize one of the tankers sailing in Gulf waters after it collided with an Iranian vessel.