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.

Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG
Find more from PBS NewsHour at https://www.pbs.org/newshour
Subscribe to our YouTube channel: https://bit.ly/2HfsCD6

Follow us:
Facebook: http://www.pbs.org/newshour
Twitter: http://www.twitter.com/newshour
Instagram: http://www.instagram.com/newshour

Subscribe:
PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts
Newsletters: https://www.pbs.org/newshour/subscribe