EE WAS SUPERVISING & ASSISTING IN PULLING BROKEN BELT BACK TOGETHER. BELT WAS BEING PULLED BY A SCOOP W/ROPE TIED TO BELT, A CHAIN HOOKED TO ROPE. DURING PROCESS OF PULLING, THE BELT GOT HUNG CAUSING CHAIN TO BREAK. THE HOOK & 8"" OF CHAIN TRAVELED ABOUT 14 FEET STRIKING EE ON HIS LEFT ANKLE. EE SUSTAINED A FRACTURE TO HIS LEFT ANKLE.