Source:
BBC NewsBoth pilots aboard a China-bound Boeing 747 cargo jet were killed when it crashed off South Korea after experiencing mechanical problems.
The plane, which was flying for South Korea's Asiana Airlines, came down off Jeju island in the very south of the country, local media report.
It had left Incheon en route to Pudong in China.
A South Korean coast guard boat found debris from the jet in waters about 107km (66 miles) west of Jeju city.
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http://www.bbc.co.uk/news/world-asia-pacific-14320735