Problem Compounding News Today

hello, everyone. thank you so much for joining me. im fredericka witfield. no now to turkey where the death toll from the earthquake has hit 25,000. time is running out to find other survivors. one senior u.n. official warns they are approaching the end of the search and rescue window. many of those who died are being buried in mass graves like this one in turkey. most of the survivors are left with nothing. cnns nick payton walsh looks a some of the amazing rescue stories. >> reporter...

Tuesday. >> translator: ive been struggling for five days. everyone has lost hope now and is sending me condolences. officials tell me theyd only find a corpse. now two people have come out alive. we need professional rescuers. the fire brigade quit on us. we found those two just now with construction workers. i brought three body bags. maybe i need them and a graveyard. >> reporter: into dusk, the dig inches carefully forward with no time limit or guarantee it will find anything. the city cente...