EMPLOYEE WAS PUTTING PRODUCT INTO #3 MILL. THEREARE 3 STEPS TO WALK UP TO FILL THE MILL. HE DUMPED A BAG OF PRODUCT AND WAS STEPPING DOWN WHEN HIS SHOE CAUGHT ON ONE OF THE STEPS AND HE FELL TO THE CATWALK. HIS SHOE APPARENTLY CAME LOOSE FROM BEING HUNG UP CAUSING HIM TO BREAK HIS ANKLE.