An estimated 160 individuals were taken to the hospital during the four-day Lollapalooza music festival, which began Aug. 2 in Chicago, the Chicago Sun-Times reports.
A spokesperson for Chicago's Office of Emergency Management and Communications told the publication that 325,930 people had walked through the festival gates as of Aug. 5.
Forty-four concertgoers were transported to hospitals Aug. 2, with 40 people, 37 people and 39 people were transported to hospitals the following three days, respectively. Temperatures during the four-day festival reached upward of 90 degrees, the report states.
Sources told WGN9 a 16-year-old boy was also found unresponsive on festival grounds the evening of Aug. 5. He was transported to Chicago-based Northwestern Memorial Hospital, where he was pronounced dead.
City officials said at least twelve people were arrested, while 34 people were cited for minor offenses, including trespassing and entering a restricted area, during the festival.
The number of arrests and medical transports that took place during Lollapalooza this year was significantly less than previous years. In 2017, 234 people were hospitalized and 27 others were arrested during the four-day event.
Editor's note: This article was updated at 1:15 p.m Aug. 6 with additional information.