MAMARONECK, N.Y. (CBSNewYork/AP) – Authorities are trying to determine whether a 91-year-old man fell or jumped onto the tracks in front of an oncoming train in Westchester County.

Officials said the man was hit by a New York City-bound train at the Metro-North Mamaroneck station on Saturday morning.

Medical examiners will conduct an autopsy on the man.

About 300 to 400 passengers were on the train and had to take another one.

(TM and Copyright 2012 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2012 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

Watch & Listen LIVE