Summary: Fire units including Battalion 2, Engine 35, and Power 27 responded to a fire alarm activation at 9240 Cameron Boulevard, reportedly in room 126 of a residential structure. The call originated from UNC Police. Upon arrival, Engine 35 found a four-story residential building with nothing showing and began evacuation and investigation. The alarm was determined to be caused by a sensor issue, and the alarm company advised cancellation. The key holder was confirmed to be on site or en route.