UKMTO: 'UKMTO has received a report of an incident 19NM east of Khasab, Oman.A tanker has reported being hit by an unknown projectile causing minor structural damage to the port side.All crew are safe and accounted for, no environmental impact has been reported and the vessel is continuing to its next port of call.Authorities are investigating.Vessels are advised to transit with caution and report any suspicious activity to UKMTO.'