A radiation detection apparatus is capable of detecting and locating events, such as a fire or the appearance of an intruder, in a scene under surveillance. The support pillow provides support with a contour fit for potentially all of the following areas: head, neck, shoulders, torso, back, thighs, knees, shins, ankles, feet, and toes. The temperature at the site of the arc-discharge is greater than 3000\xb0 C. These capabilities improve the relevance of the notification the user receives.