The reporter, John Huddy, said he and another bystander, Gregory Legget, witnessed the man fall and then "desperately tried to pull him off the tracks before the train came in."
The man, who was not named, "was pretty dazed" after the incident, but managed to get onto another train after the scare.
Jon Passantino is a deputy news director for BuzzFeed News and is based in Los Angeles.
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