to return home, some did anyway. back in grand isle.... >> i'm sorry. >> reporter: you got-- you got time here. you got memories here. >> yeah. >> reporter: mayor camardelle is heartbroken for what the town's 1,400 permanent residents will come home to. >> it's tough, but i'm going to get them home. i promise you that. as long as there's one grain of sand in grand isle, i'm going to plant the american flag. i can promise you that. >> reporter: late this afternoon, the mayor finally got some good news. help finally arrived. they brought communication towers and some generators, and they also came with some response teams from as far away as nevada. norah. >> o'donnell: our hearts go out to the mayor and everybody there. omar villafranca, thank you so much. let's head out west now. near south lake tahoe, california, fire crews are using bulldozers to build fire lines to protect the evacuated city from the wind-whipped caldor fire. now, calmer winds helped crews make progress, but the coming