The United Kingdom Maritime Trade Operations (UKMTO) has reported about attacks on two vessels off the Yemeni shore, Paralel.Az reports.

"UKTMO has received a report of an incident 170NM (nautical miles) southeast of Aden, Yemen," the statement said. "The master of a merchant vessel reports the armed security team observed a small explosion in close proximity to the vessel. The Master confirms there is no damage and all crew are reported safe," UKMTO said adding that the vessel was proceeding to its next port of call.