Desperate 911 call released in college student's mysterious collapse and death

Caroline Smith was attending an off-campus party with her boyfriend and brother when she complained about not feeling well and became unresponsive.
1:20 | 04/09/19

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Transcript for Desperate 911 call released in college student's mysterious collapse and death
to turn next this evening to new and chilling 911 calls just released tonight, after a young student collapsed and died. Authorities say she collapsed after drinking alcohol at an off-campus fraternity party. And what she said to her boyfriend just beforehand. ABC's Victor Oquendo tonight on the many questions and the new concern about drinking and young people. Reporter: Tonight, authorities trying to determine why 20-year-old college student Caroline Smith collapsed and died at an off-campus party in South Carolina. I need an emt. I think this -- is dying. She just fell and hit her head. Reporter: Officials just releasing the desperate 911 call from Friday night. Is she awake? No, she's not awake, she unconscious. Reporter: According to the police report, Smith was with her boyfriend. She told him she was not feeling well, and moments later, she fell to the ground and was unresponsive. Smith's brother was also at the party and told police she had been drinking but not using drugs. Is she breathing? I don't think so. Her chest isn't moving. Reporter: When paramedics arrived, she was laying on her back outside, pronounced dead minutes later. The sophomore from Fuhrman university, seen here in a recruitment video, was vp of membership for the kappa delta sorority. A memorial is planned for next week. David, an autopsy has been performed, but the cause of death still pending further analysis. The results could take weeks. David? Victor, thank you. And now to the grilling on

This transcript has been automatically generated and may not be 100% accurate.

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