Bangladeshi official say at least 85 people are missing after an overcrowded boat carrying mostly Rohingya refugees sank today. Border officials say the boat was headed toward Malaysia when it overturned in the Bay of Bengal. They say several people were rescued. A rescue mission has been launched to find more survivors.孟加拉官方称今天一艘严重超载的客船沉没,船上大多数是罗兴亚难民,造成至少85人失踪.边境官员表示客船向马来西亚方向行驶,在孟加拉湾发生了翻船.他们说一些人已经获救.救援小组已经成立,以期寻找更多的幸存者. ________________________________________. From the VOA News Center in Washington, I'm David DeForest. More news on the Internet at voanews.com.我是大卫德弗瑞斯特,从华盛顿美国之声总部为您报道.更多新闻请登录网站voanews.com.