1.   Freighters must instead sail to Antwerp, Belgium, or Rotterdam, the Netherlands, Chan said.

2.   Officials were trying to determine the exact cause of the accident, but it was thought that the freighter was sailing off course in the narrow waterway.

3.   Two years ago, the freighter Golden Venture sailed from Thailand with a cargo of hundreds of Chinese.

4.   But it is an open secret that many local vessels and small freighters have been sailing directly in defiance of the ban.