[United Nations engineering ship arrives near the oil tanker "Safir" to prepare for the transfer of crude oil] May 31, the United Nations Humanitarian Affairs Coordinator for Yemen Gresley said on May 30 that a United Nations engineering ship has arrived in the waters near the Yemeni Red Sea port of Hodeida to make preparatory work for the transfer of crude oil from the tanker "Safir" moored in the area.