New Delhi, Jun 9: A Palau-flagged tanker that caught fire after it was attacked by the US Navy off the coast of Oman was black-listed and sanctioned by the US and its 24 crew Indian crew members were safely rescued. The vessel, MT Marivex, made four attempts to evade the US blockade of Iranian ports, people familiar with the matter said. The vessel caught fire after it was hit by missile on Monday.