Chennai: Five of the spectators suffered a tragic end due to sunstroke during the Indian Air Force (IAF) exhibition held in Chennai. 96 people are undergoing treatment in the hospital. It is also reported that around 250 people collapsed due to dehydration. According to reports, 15 lakh people came to see the exhibition. The show was held at Marina Beach. There are also complaints that drinking water will not be provided in the exhibition area. Due to overcrowding, there was a huge traffic jam. Meanwhile, Chennai Police has deployed 6500 policemen and 1500 home guards for security, officials said.