Monaghan crater detected 10 days before decision taken to close adjacent road

A crater that opened up on the site of an old mine in Co Monaghan was detected 10 days before a decision was taken to close the adjacent road on safety grounds.

A report into the 9m wide, 7m deep “crown hole” beside the LP4900 road that serves Drumgossatt village reveals it was identified by a drone survey carried out for the Gyproc mine company on December 10 last year.