Business Insider | An oil spill off China's coast is the world's biggest since Deepwater Horizon — and it more than tripled in size ... Business Insider An Iranian oil tanker carrying 122,000 tons of oil sank after it collided with a Hong Kong-based tanker in the East China Sea. The collision caused an explosion that sent thousands of tons of oil spilling into the ocean. The tanker was carrying ... China: oil slick from sunken tanker trebles in size | World news | The ... Oil slick off China coast trebles in size: Official - Channel NewsAsia China detects more oil slicks near tanker sinking site |