Emergency vessels work to put out an oil fire before the tanker Sanchi sank in the East China Sea. The slick has expanded to cover more than 330 sq km. Photo: AP

East China Sea oil slick triples in size along whale migration route

Chinese authorities say biggest spill from sunken Iranian tanker widens to cover more than 330 sq km  

Topic |   Sanchi tanker oil spill

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Emergency vessels work to put out an oil fire before the tanker Sanchi sank in the East China Sea. The slick has expanded to cover more than 330 sq km. Photo: AP
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