At approximately 03:00am a fall of ground occurred near the face at the right spring line of the 4455-909 BC stope access which was being shotcreted in preparation for bolting. The boom of USM006 was covered in muck. At the same time, the left rib on the 4490-909 MC stope access subsided. The left rib was in the process of being bolted. No miners were injured.