US Navy says Iran Revolutionary Guard ‘harassed’ Greek-managed ship

The US Navy said Monday its sailors and the United Kingdom Royal Navy came to the aid of a ship in the crucial Strait of Hormuz after Iran's Revolutionary Guard "harassed" it.

Three fast-attack Guard vessels with armed troops aboard approached the merchant ship at a close distance Sunday afternoon, the US Navy said in a statement. It offered black-and-white images it said came from a US Navy Boeing P-8 Poseidon overhead, which showed three small ships close to the commercial ship.

The US Navy's guided-missile destroyer USS McFaul and the Royal Navy's frigate HMS Lancaster responded to the incident, with the Lancaster launching a helicopter.

"The situation deescalated approximately an hour later when the merchant vessel confirmed the fast-attack craft departed the scene," the Navy said. "The merchant ship continued transiting the Strait of Hormuz without further...