HOUSTON -

A man police said was lying on the rail road tracks was hit and killed by a train late Sunday morning.

Investigators said the man was laying on the tracks near Donlen Street near Frisco when he was hit.

Police said the train simply could not stop in time.

Investigators are working to figure out whether the man passed out from drinking too much alcohol or if he fell asleep on the tracks.

The victim's name hasn't been released.