lots of screaming. lots of gunfire. they had a demeanor like they owned the place. panicked moms protecting their kids. i just kepting telling them to be quiet, like a mouse. kids forced to protect one another. you grabbed your brother. yeah, and just run. from out of the blue a hero. she starts running. could he rescue the very smallest of victims? when portia got up and ran, did you have a moment where you thought, oh, my god? hello and welcome to dateline. new ton, orlando, las vegas. it seems like mass shootings have become all too frequent in the u.s. and overseas at a mall in nairobi, kenya, masked assailants carried out an even deadlier attack. it was an otherwise normal saturday afternoon of shopping, but gunman turned it into a scene of bedlam and bloodshed. but what also emerged were remarkable stories of courage and survival. here s kate snow. it s the modern day town square, a gathering place that fulfills our every need, shopping, eating
no, but i did see someone close the gate to where we where and it seemed like they were trying to shoot through it and throw grenades to blow it up but it never got through. you heard a lot of loud sounds. yeah. yikes. you said you were back there how long? 3 1/2 hours. you thought about it a little bit, yeah. but when you were there, i know if it were me, i would have been really, really scared. prosecutor you pretty, pretty scared? all my brother and me did was just pray for our family and just laid there. reporter: they lay there and listened. and every once in a while we d hear gunfire, grenade sounds and at one point these people came in saying we re the police. it s okay. reporter: the gunfire the walton boys had been hearing briefly paused and those voices identifying themselves as police were encouraging people to come out. around him blez heard people start moving. they walked out and then about 15 seconds later you just