LOS ANGELES (CBSLA.com)   —  Los Angeles County Sheriff’s detectives investigating a beating last week on a train platform are now investigating a homicide.

The 65-year-old victim, now identified as LA resident John Whitmore, was standing on a Metro-Blue Line Imperial/Wilmington train platform on Friday afternoon June 13, when he was accosted and assaulted by two black females.

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The assault happened about 1:20 p.m. in Willowbrook.

Whitmore was waiting for a train when the two women — for unknown reasons — began to hit him with their fists. Officials said they also kicked the man who collapsed on the ground.

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Authorities said the suspects fled the train platform on foot.

Whitmore was taken to Saint Francis Medical Center. He succumbed to his beating Friday, June 20 at around 2 a.m.

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Anyone with information regarding this incident is asked to call the Los Angeles County Sheriff’s Department’s Homicide Bureau at (323) 890-5500.