PARIS, France (AFP) – Concerns are growing over an oil slick off China’s east coast after an Iranian tanker, the Sanchi, exploded and sank a week ago following a collision at sea. Here is a look back at the major oil spills around the world in the past five decades: Shipwrecks – Atlantic Empress and Aegean Captain, 1979: The two Greek-registered tankers collide and catch fire off Tobago in the West Indies, spilling an estimated 287,000 tonnes […]