Medics treat 21 people at Seattle 'FreakNight' rave

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SEATTLE -- Several people suffered medical issues at this weekend's "FreakNight" rave in Seattle.

Most of them were severely dehydrated. On Saturday night, eight people were taken to the hospital. Friday night, medics took 13 people to the hospital.
  
Organizers beefed up security this year after dozens of drug overdoses at last year's event.