In the hours after a bomb killed 22 people outside an Ariana Grande concert at England’s Manchester Arena, representatives for 26 of the world’s biggest venues held a conference call with security officials about how to prevent another attack. “To this point, security has been about crowd management, but now there has to be terrorism [prevention] built into the concert,” says Bill Bratton, the former New York police commissioner who is the executive chairman of Prevent Advisors, which consults dozens of arenas, including Madison Square Garden and the L.A. Forum.

Read here to find more information about what our nation’s top law enforcement officials are doing to keep you safe when you attend a concert.

Photo Credit: Charles Eckert