those who haven t been heard from and may not have survived. martin savidge has more from mexico beach, florida. reporter: the sun s gone down and another night has set in here in mexico beach. and once the sun is gone, it gets completely dark in this community. only the television lights really are what you will see and occasionally the flashing strobe lights of emergency first responders. of course the search and recovery effort has to come to an end. it can t go on in the dark. and it was another very difficult day. no other victims have been found, and the city officials are reporting that all of the major structures that are still standing that would be the homes and also the businesses they have all been searched. but now they move on to another perhaps even more difficult and potentially dangerous phase. they have to go through all the large debris piles, and there are many of them throughout this devastated town. and they will carefully and methodically have to search and