What kind of incidents necessitate a sweep of staging areas for secondary devices?

The necessity to perform a sweep of staging areas for secondary devices is primarily associated with explosive incidents. In the context of these incidents, secondary devices refer to additional explosives that may be placed by perpetrators to target responders and increase chaos or injury following an initial explosion. After an explosive event, responders must ensure that the site, including staging areas where personnel might gather or equipment is stored, is safe and free of any such threats. This sweeping process helps protect first responders and civilian personnel from further danger and is a crucial step in maintaining safety and security in the aftermath of an explosive event.

In contrast, while medical emergencies, fire incidents, and natural disasters all require careful response strategies, they do not typically involve the risk of hidden explosives or secondary devices in the same way that explosive incidents do. Each of these other incident types will necessitate their own unique safety considerations but do not carry the inherent risk associated with potential secondary devices following an explosion.