BBC News | Huge oil spill left after burning tanker sinks off China BBC News Chinese ships are racing to clean up a giant oil spill after an Iranian tanker sank in the East China Sea. The 120 sq km (46 sq mile) oil slick is thought to be made up of heavy fuel that was used to power the vessel. The Sanchi oil tanker sank on ... Burning Iranian tanker produces 10-mile oil slick in East China Sea that threatens marine life Stricken oil tanker leaves 10-mile oil slick in East China Sea: CCTV Burning Oil Tanker Sinks, Creating Huge Spill in East China Sea |