David McNew/Getty Images
File: A conductor steps down from the engine of a Metrolink train on Sept. 15, 2008 in Chatsworth.
Authorities are investigating the death of a bicyclist struck and killed by a Metrolink in southern Los Angeles County.
City News Service says the collision occurred about 7:15 a.m. Thursday in Santa Fe Springs.
The bicyclist, described only as a male, died at the scene.
The circumstances of the death are under investigation.
Jeff Lustgarten of Metrolink says the train was southbound on the Orange County Line with 160 passengers on board.
Buses were brought in to carry passengers around the closed section of track.