A young woman was attending the Lightning in a Bottle festival at Lake San Antonio in south Monterey County over the weekend when she suffered a medical emergency. Baylee Ybarra Gatlin, 20, of Ventura, was pronounced dead at Twin Cities Hospital in Templeton on Sunday. Her cause of death was not immediately released, and the San Luis Obispo Sheriff's coroner is investigating. An autopsy is planned for Wednesday. The following statement from the Lightning in a Bottle organizers was released to KSBW Monday: "Our deepest condolences go out to the family and friends of the woman who passed away at Twin Cities Hospital after attending Lightning in a Bottle this weekend. We ask that the LiB community keep her and her family in their thoughts and prayers during this difficult time." It's unclear if drug played any role in causing Gatlin's death. A family friend said multiple ambulances were called to the festival at the same time that the woman needed emergency medical aid. A section of the festival was shut down. The free-spirited and colorful annual campout festival features music, dancing, art, yoga, and swimming. Like Burning Man, droves party-seekers create a sprawling pop-up city with pitched tents, giant art installations, stages, and dance floors. Giant floating unicorns and flamingos were popular this year in Lake San Antonio. Officially, the festival is a drug-free event. Its website states, "LIB is a drug-free event. That’s the law of the land. But we know that despite this, people will choose to use drugs, just as they do in larger society. We want to keep people alive, happy and out of the Medical tent."

A young woman was attending the Lightning in a Bottle festival at Lake San Antonio in south Monterey County over the weekend when she suffered a medical emergency.

Baylee Ybarra Gatlin, 20, of Ventura, was pronounced dead at Twin Cities Hospital in Templeton on Sunday. Her cause of death was not immediately released, and the San Luis Obispo Sheriff's coroner is investigating. An autopsy is planned for Wednesday.

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The following statement from the Lightning in a Bottle organizers was released to KSBW Monday:

"Our deepest condolences go out to the family and friends of the woman who passed away at Twin Cities Hospital after attending Lightning in a Bottle this weekend. We ask that the LiB community keep her and her family in their thoughts and prayers during this difficult time."

It's unclear if drug played any role in causing Gatlin's death.

A family friend said multiple ambulances were called to the festival at the same time that the woman needed emergency medical aid. A section of the festival was shut down.

The free-spirited and colorful annual campout festival features music, dancing, art, yoga, and swimming. Like Burning Man, droves party-seekers create a sprawling pop-up city with pitched tents, giant art installations, stages, and dance floors. Giant floating unicorns and flamingos were popular this year in Lake San Antonio.

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Officially, the festival is a drug-free event.

Its website states, "LIB is a drug-free event. That’s the law of the land. But we know that despite this, people will choose to use drugs, just as they do in larger society. We want to keep people alive, happy and out of the Medical tent."