Sri Lankan authorities said Thursday they are preparing for the worst-case scenario of a possible oil slick from the burnt-out cargo ship sinking off its western coast. The Singapore-registered MV X-Press Pearl, carrying 1,486 containers, including 25 tonnes of nitric acid along with other chemicals and cosmetics, was anchored off the port city of Negombo when a fire erupted onboard after an explosion on May 20. Flaming containers filled with ...