A ROOF FALL OCCURRED DURING MINING IN THE 5-LEFT WORKING SECTION WHILE CONNECTING THE XCUT BETWEEN NO. 7 AND NO. 8 ENTRIES. THE ROOF FALL RODE BACK THROUGH THE INSTALLED ROOF BOLTS, STRIKING T HE REMOTE CONTROLLED CONTINUOUS MINER OPERATOR AND MINER HELPE. THE MINER OPERATOR SUSTAINED SERIOUS PERSONAL INJURIES WHILE THE MINER HELPER SUSTAINED FATAL INJURIES.