now is, why did this incident happened, what was different about this event from all the others that are configured very similarly? others that are configured very similarl ? ~ , ., ., similarly? when planning for music festivals similarly? when planning for music festivals and - similarly? when planning for music festivals and events i similarly? when planning forj music festivals and events of this nature, what are some of the measures that are put in place to mitigate against things like this? that is the key, what are the measures and when other plans. planning involves identifying what are the reasonably foreseeable risks for this particular event, in this time of year and this location, and once one has triaged the reasonably foreseeable risks, finding the resources to mitigate those risks. so the answer to your question is, security guards, barricades, law enforcement. medical. creating a communication system such that people who have an ion close circuit tv cameras can commun