LOS ANGELES (CBS) — Authorities have identified an 86-year-old Los Angeles woman who died after being found at a Metro Gold Line platform.

An autopsy was pending to determine the cause of Betty Sugiyana’s death, Assistant Chief Ed Winter said.

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However, a woman has been arrested in connection with the death of Sugiyana, who was found at 8:30 a.m. Sunday at the Metro Gold Line station at 200 N. Alameda St., Deputy Benjamin Grubb of the Sheriff’s Headquarters Bureau said.

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She died 12 hours later of unspecified injuries, according to Deputy Jeff Gordon.

“A female black adult suspect is in custody,” said Grubb, who added that the suspect has been booked, but that the Sheriff’s Homicide Bureau had not yet released her name.

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