Employee stated he had an injury, that allegedly happened on 11/19/10. We were notified at 4:20 pm in a phone conversation on 12/07/2010. Employee has been off work since 11/23/10 on a non-work related health issue, results from some of his testing while in the hospital indicated 2 fractures in his vertebra, 1 old and 1 recent? Using a sledge hammer tapping grates into place?