A man was hit by a train in Kilgore on Saturday.
It happened just after 11:00pm about a quarter mile west of Southport Rd.
Union Pacific Rail notified police of the incident, and police began searching for the man on the tracks.
Police found him with serious injuries. He was taken to a Longview hospital where he underwent emergency surgery and as of Monday morning was listed in critical condition.
The man was identified as Armando Aguillar Lopez, 38, of Kilgore.
Kilgore Police are investigating the accident.