those who can escape head for a southern town called baidoa, a town of checkpoints, men with guns, and. and everywhere around, those tents. beyond the threat of allal shabaab, the journey itself can be deadly. >> it ends up being a perilous journey because most of them die on their way to camp or die immediately they reach the camp, out of exhaustion. >> reporter: here where the need is so immense, save the children has opened centers. at this nutrition site, they assess the children's level of malnutrition and get them on a treatment program. >> last week, 8 kilos, so improving. >> that's a lot. >> reporter: this is the center treating malaika. the staff recommends she be hospitalized in a special ward for severely malnutritioned children called a stabilization center. it's across town. but there's a complication. she's saying she can't take her baby to the stabilization center because she's got six other children. she's got tablets and pills and some of this nutritional food she's going to try to feed her baby. >> reporter:us like that, garan what han and baby malaika disappear into

we visit baidoa. i'm standing in one of 70 encampments in what used to be the town of but it's now becoming the fastest-growing tent city in all of africa. 500,000 internally displaced. thousands of people coming here every day. and look around you, it's tent after tent as far as the eye can see. at this save the children nutrition center, this mother pulls me aside. she's so intread bly thin. her name is garan hassan. her baby is malaika, 18 months old. malaika's arm barely two inches around. they weigh her in that bucket. too sick to stand, too weak to cry. garan says her husband died from hunger-related illness. the staff recommend malaika be hospitalized, but garan says she can't right now. she has six other children to care for. but despite what's happening here, the somali government has yet to declare a famine. >> for me, the declaration of famine, it's irrelevant. because right now -- look, look, around you. what is this, if this is not famine? >> reporter: the next day, the save the children

news after a train with about 200 bart passengers heading to san francisco got stuck in the trans baidoa on friday. the track lost power. they were stuck for around two hours but that was just the beginning. trains had to singletrack, leading to lengthy delays. the problem is fixed and normal train service has been restored. >> get away from the train so the train can depart the station. >> commuters cramming into trains. bart's doors fairly shutting, a morning power problem causing evening delays. >> it is really hot down here, which is a common theme for parts. -- bart. we want to go home and it is exhausting. >> this is 30 minutes of waiting here. it still looks like it is not going in the right direction. god knows when we will get home. >> this was the scene after 7:00 on friday morning. a passenger captured video, a train losing power. 200 passengers stranded for two hours inside the trans bay tube. >> crews are methodically going through a checklist. by process of elimination, they are working to diagnose and fix this problem. >> as someone who is claustrophobic, i would hate it.