LINCOLN, Neb. (AP) — Lincoln police are investigating the death of a Burlington Northern Santa Fe Railroad employee.

The 62-year-old man was found in the city’s Railyard shortly after midnight on Thursday. Police say a co-worker discovered his body after the man didn’t return from a routine train check.

Lincoln Police Capt. Michon Morrow says the death doesn’t appear to be suspicious, but authorities won’t have much information until after an autopsy. Morrow says it’s possible the man tripped and fell, or had a medical condition.