Portsmouth, Oct. 17 -- A vessel was struck by an unknown projectile at 68 nautical miles northeast of Al Jubail, Saudi Arabia, according to the United Kingdom Maritime Trade Operations (UKMTO).

UKMTO said that it "received a time-late report of an incident 68NM northeast of Al Jubayl, Saudi Arabia, of a tanker struck by an unknown projectile."

All crew are reported safe and have been evacuated. There was no reported environmental impact at the time of the report, the UKMTO stated.

"Vessels are advised to transit with caution and report any suspicious activity to UKMTO while authorities are investigating," UKMTO said in a statement.

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