"This is very unfortunate and not much the management could have...

"This is very unfortunate and not much the management could have done about it other than to have put some money away for a rainy day."

You think ? TO me it looked like lack of culverts plus a permeable berm (check the size of the rocks ) was on the cavern side of the road , plus the repose angle looks rather steep , they were lucky no lives were lost
Surely the Dept of mines will also be looking into the OSH requirements here ?