Iran's navy told merchant ships the Strait of Hormuz was closed and two vessels reported being hit by gunfire on Saturday.
UKMTO has confirmed the tanker and crew are safe following the incident.
The UKMTO report confirms the targeted vessels were Indian-flagged.
New details confirm the gunboats opened fire without a VHF warning, and the vessel and crew are safe.
A Telegram channel has provided photo evidence of the incident, confirming the event.
The UK Maritime Trade Operations (UKMTO) center has officially confirmed the incident, issuing an advisory based on the tanker master's report.
Reuters reports the incident involved two commercial ships, and UKMTO has also issued an advisory.
The new report specifies that Iranian small gunboats are actively approaching and shooting at tankers in the area.
Reuters reports at least two merchant vessels were hit by gunfire, providing a specific count and attribution to the news agency.
Reuters confirms the incident occurred on Saturday, April 18, 2026, citing three maritime security and shipping sources.
Reuters confirms the radio messages ordering ships not to pass came directly from Iran's navy, not just the IRGC.
