British foreign minister Jeremy Hunt told his Iranian counterpart on Saturday that Britain would facilitate the release of the detained Grace 1 oil tanker if Tehran gave guarantees it would not go to Syria.
Cyprus police rescued five injured crew from the water following an explosion on a Maltese-flagged oil tanker off the island's south coast on Saturday, authorities said.
The Sanchi, carrying 136,000 tonnes of light crude oil from Iran, has been in flames since colliding with the CF Crystal, a Hong Kong-registered bulk freighter, 160 nautical miles east of Shanghai last Saturday.
The poor conditions, with strong winds, rain and waves as high as 3 metres, frustrated efforts to tame the oil tanker fire and search for the 31 remaining crew members, the Ministry of Transport said.
An oil tanker, which was earlier reported to have been hijacked and sailed into Indonesian waters, was believed to have been taken due to a commercial dispute, Malaysian authorities said on Wednesday.