Reuters | Iranian oil tanker wreck produces two slicks in East China Sea: China Reuters BEIJING (Reuters) - An Iranian oil tanker that sank in the East China Sea has left two oil slicks covering a combined 109 square km (42 square miles), the Chinese government said, as maritime police scoured for damage and prepared to explore the wreck ... Sunken oil tanker: How to protect the high seas environment? East China Sea oil tanker disaster: what it means for the environment China races to tackle expanding oil spill after tanker sinks |