Five Workers Missing After Tunnel Accident at Refinery, JX Says

Five people are missing after a cave- in at an undersea tunnel at its Mizushima refinery in western Japan, JX Nippon Oil & Energy Corp. said.

One person escaped after the shaft started filling with seawater, said a company official who asked to remain unidentified, citing internal policy. The tunnel is under construction to build a pipeline for naphtha and other petrochemical products, the official said.

The accident will not affect existing pipelines and the output of the Mizushima A and B plants, which have a combined capacity of 365,000 barrels a day, the official said.

To contact the reporter on this story: Tsuyoshi Inajima in Tokyo at

To contact the editor responsible for this story: Amit Prakash at

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