A civic group is leading the effort, seeking to honour the victims and provide closure for their families Eighty-three years after a devastating flood in the Chosei coal mine in southern Japan claimed ...

The unexpected discovery of a former mine shaft ... "Other shafts on the site are approximately 250ft (76.2m) deep but there is no record of this shaft on the Coal Board plans.

miners switched to descending into the mine through another shaft farther west. From there, they faced a two-hour, six-mile trek through underground tunnels to reach the coal faces beneath shaft No.