The United Kingdom Maritime Trade Operations (UKMTO) has reported that an “unknown projectile” struck a cargo ship off the coast of Oman.

The incident occurred at approximately 1:30 AM Tehran time on Tuesday, August 4, about 20 nautical miles northeast of Oman’s Khasab region, near the entrance to the Strait of Hormuz.

The ship’s crew reported via the emergency maritime communications channel that their vessel had been targeted. UKMTO classified the incident as an “attack” and advised ships operating in the area to transit with caution and report any suspicious activity.

The identity and flag of the vessel, the type of projectile used, and the party responsible for the attack remain unclear. No details regarding potential casualties, injuries among the crew, or the extent of the damage have been released, and authorities are currently investigating the incident.

This attack follows a series of recent security incidents in the waters surrounding the Musandam Peninsula. On August 2, the crew of an oil tanker reported hearing an explosion close to where this latest attack occurred. No damage to the vessel or injuries to the crew were reported in that instance.