Guam - The Guam Fire Department personnel were activated to a search and recovery mission in Mannengon Hills Sunday where an unknown hiker reportedly died. According to GFD spokesperson Lt. Ed Artero the 911 call was recieved at 1:39 pm Sundat afternoon. Artero says the group of hikers along with the expired body was located and secured at 2:39 pm. He adds the hiker's death appears to be of natural causes and medical in nature, according to the members in the group.