Tunnel collapses at Hokkaido Shinkansen extension construction site

Tunnel collapses at Hokkaido Shinkansen extension construction site


HOKKAIDO – A section of ceiling at a Hokkaido Shinkansen tunnel excavation site in Otaru, Hokkaido, collapsed, causing soil and debris to pour in.

Workers found the collapse of the Sasson Tunnel located about 200m underground in a forested area of Otaru at about 7pm (6pm Singapore time) on April 6.

There were no injuries to workers or damage to heavy machinery.



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