The Los Angeles Fire Department said the incident occurred shortly after 7 a.m. in the 13000 block of West Van Nuys Boulevard.
According to a tweet from Metrolink, the individual was struck on the tracks near Sylmar by a train on the Antelope Valley Line 201 en route to Lancaster.
AV Line 201 to Lancaster struck a person on the tracks near Sylmar. Delays unknown. Updates to follow.
— Metrolink (@Metrolink) August 17, 2015
The coroner's office has not identified the victim, only saying the crash killed a man.
Metrolink said there may continue to be some disruption on train lines. Metro buses were provided to shuttle passengers as needed.
Update: Tracks are closed between Sylmar and Newhall. MTA buses will be provided.
— Metrolink (@Metrolink) August 17, 2015