Supertanker YUAN HUA HU encountered unidentified problems late May 25 NE of Port Elizabeth, South Africa, while en route from Singapore to Angola. The ship headed for nearest port, Port St Johns, and reached it in the afternoon May 27, understood under tow. She was anchored, and as of 1830 UTC May 27, remained at anchor. SAR tug SMIT SIYANDA is on standby at VLCC side, big ocean going tug is steaming from Cape Town to tow disabled tanker to unnamed port. No other details available at the...