What went wrong at the Astroworld Festival and how panic played a role in the crowd surge

A crowd surge last Friday at the Astroworld Festival in Houston Texas left eight people dead and many others injured. Since the incident, there has been a growing number of questions and concerns about the security measures that were in place. Lisa Desjardins looks at some of those concerns with Steve Allen, a lead safety consultant at Crowd Safety. PBS NewsHour is supported by - https://ift.tt/3cb1NLD

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