♪ tonight, heartbreak. and hope. the new images from the catastrophic earthquake zone in turkey and syria. >> they tell me this building came down less than an hour ago. >> an apartment building crumbling from a terrifying aftershock. rescue workers listening for signs of life under tons of concrete. >> you can see they're clearing away another floor. hours have gone by, still no sign of life. but the search and rescue team remains at the top of the pile here and soon they'll go in again. >> reporter: and a miracle. a 10-day-old baby buried nearly

90 hours pulled from the rubble. plus the unfolding humanitarian crisis. around-the-clock rescue missions to treat the injured. tens of thousands desperately in need of medical help, food, water. millions are now homeless. this special edition of "nightline," "the devastating earthquake: heartbreak and hope." david muir reporting. we'll be right back. aah, it's a good day to cough. oh, no! bye, bye cough. later chest congestion. hello 12 hours of relief. 12 hours!! hmmm, ok. not coughing at yoga? antiquing not coughing? not coughing at the movies?! hashtag still not coughing?! aaah. oww! mucinex dm gives you 12 hours of relief from chest congestion and any type of cough, day or night. it's not cough season. it's always comeback season.

♪ good evening from turkey where we are witnessing a heartbreaking and unimaginable scene playing out here. now five days after this devastating earthquake bringing unspeakable loss to turkey and to syria. now they deal with the aftershocks and the tremors. another one just a short time ago. the building just beside me here collapsing. the search begins yet again for people who might be trapped under the rubble. we are told an apartment building just came down here. reports of a 5.0 aftershock here in the town of osmanya. the second wave of terror in the earthquake zone. the tremors and aftershocks felt in so many communities here. buildings already lined with

deep cracks from the earth quake. and this one just came down. the search and rescue team is already here, filling buckets with debris and sending them out. pulling out concrete by hand. hoping to get to anyone who might be inside. first responders stand at the ready with gurneys. they tell me this building came down less than an hour ago. in one of the many aftershocks being felt throughout this region. you can see they're trying to lift a giant piece of concrete here. to search beneath to it see if anyone survived this. search teams frantically digging through the debris. they're handing pieces of concrete to each other, forming a human chain, to get to anyone who might be beneath this more quickly. they bring in heavy machines to lift the concrete floors that have come down, flattening the building, hoping to get underneath. it's just incredible to think

that five days after this earthquake -- [ whistle ] they're calling for silence. it is a haunting moment playing over and over again here. workers in their helmets, ears to the concrete, listening for anyone under the rubble. w hear the plea from a rescue worker to anyone buried beneath who might hear him. they were saying to anyone who could be buried under the rubble there, "we are here to save you, can you hear my voice?" they did not get a response. they are clearing out what used to be apartments just a couple hours ago. they toss out a mattress, a rug, belongings now destroyed. watching it all, the neighbors who live nearby, who fear loved

ones are lost again. the mayor here now five days after the earthquake telling us this shows just how much help they need. how important is it, the help from the united states and other countries right now? he says "any help is welcome, any help is very welcome for us." we wish you and your people well. >> thank you. we meet a man who lived in the building that came down. mehmet says he knows his brother, who also lived there, got out. he tells us of others who lived there, including syrian refugees who lived on the first floor. the first floor, syrian refugees living on the first floor? "yes, there were syrian refugees," he tells us. it is impossible to imagine the syrian refugees escaping r, this. he says, "after the earthquake, their faces looked terrified. they said it was worse than the war." he believes they weren't there this morning, but like everyone,

he now waits for confirmation. suddenly again, hands in the air, a call for silence. watching it all, this young woman, fatma, a neighbor. five days after this earthquake, you're all still living in fear from these tremors and aftershocks? she tells us, "we have all been shaken deep down, we cannot sleep. there is always a worry during the night. we are living in fear and terrified." i'm sorry you're living in fear. she hopes, as everyone here does, for a miracle. it's what keeps people going. here on the ground in turkey, the scope of the disaster is unimaginable. and we see them immediately, the rescuers who have not given up. workers and volunteers with picks and buckets pulling away crushed cement and brick by hand. we are here in adama city. this used to be a 17-story

residential building. search and rescue teams are still here. this is the fourth day of searching for any possible survivors here. they tell us that they have pulled a number of people out alive, but they know the window of opportunity is closing here. and every so often, we have witnessed these moments when suddenly everything stops. they ask for silence to hear if there's anyone still in that rubble. we witness their painstaking, careful work. then a heartbreaking find in the rubble. it does not get any easier. it's impossible to imagine the work that continues for these search and rescue teams. you can see another one of these very difficult moments. holding up a blanket where it's believed they discovered another body in the rubble. they carefully wrap the body of yet another loved one discovered, and then lower the body from the pile to the ground.

as you can see, around the corner here is the car that will take the body to the funeral home and the makeshift morgues where the numbers are mounting. we are here in the middle of the night in turkey. the families huddled in front of their own small fires to stay warm in this bitter cold and to stay close -- close to the search effort, hoping beyond hope that their loved ones will somehow survive. they're waiting for word on their friend, mother and her daughter who are in that rubble. they tell me it's about their mind and heart. your mind and your heart is here? "yes," they tell me, "to honor them." we meet zuhal and khan and learn of unthinkable loss. how many loved ones did you lose inside that building?

12? she tells me the psychological toll on everyone here has been overwhelming. and yet still, across this devastated region, they are finding small miracles. the voice of a young boy, 6 years old, trapped nearly 80 hours under the rubble. rescuers finding him, holing his hand to calm him. as they work to dig him out. he tells them his body is aching. he asks them for water. the team working for hours to get him out, wrapping him in a thermal blanket, giving him oxygen, racing him to the hospital. now five days into this, more than 23,000 people dead. the 7.8 magnitude earthquake hit in the middle of the night, 4:17 a.m., while families were sleeping and the breathtaking reach felt nearly 700 miles out

across turkey and into syria. a group of rescuers on hands and knees digging through a small opening, lifting a 2-year-old boy out of the rubble, carrying him to safety. across the border in syria, the view from above is haunting. the smoke and dust rising. in the village of besniah, rescue teams working around the clock on top of the smoldering rubble. in the village of melez, the white helmets, the rescuers and their remarkable find. threading thur camera through the rubble, searching for a brother and sister, inch by inch, until they see a hand reach out. the brother in his red shirt. the team working to hold back the rubble to dig him out. cheers as the boy is freed. his sister is brought out, too. receiving oxygen and first aid.

and the world now following the story of that newborn baby born in the rubble in syria, her mother did not survive. tonight, the hospital says the baby is doing well and she now has a name -- ayah, meaning "miracle" in arabic. in turkey tonight, they are still hoping for a miracle as we stand here amid the small fires keeping loved ones warm. we witness one of those urgent calls for silence. you can see that they have just asked for silence here. everything has come to a halt. we hope there will be some sort of discovery of somebody still alive in the rubble. in town after town here, the first responders determined to continue their work. and to not abandon hope. children saved, pulled from the ground. and through the ceiling.

the scale of the loss, unthinkable. entire cities destroyed. in turkey, this is all that's left of the city of kakhram, block after block leveled, buildings collapsed, street after street, rescuers are digging. in this village, el-talull in syria, homes and streets flooded, a democrat destroyed in the earthquake. this resident saying, "we just want people to help us, to shelter these women and children. to the considerate people out there, help us for the sake of god." what so many are finding is the grim reality, the lives lost. in hatai, turkey, rescuers reaching this husband, abdul, his eyes swollen. he fled civil war in syria. he was trapped under the rubble next to the body of his wife, ez ez ezra. she did not survive, nor do their two daughters, their

bodies wrapped in blankets. in syria, they are digging mass graves, wrapping the dead in white cloth, buried next to each other. tonight, we are learning the names of some of the americans who lost their lives here. husband and wife burak and kimberly furyk from new york, along with their children. burak was a big brother to everyone around him, always happy. tonight, amid horrific tragedy, the communities here are holding on to any bright spots. this dog named pamook is found buried. rescuers pouring water into their hands and then digging him out. neighbors are now caring for the dog while the owner is in the hospital. tonight, some 70 miles south of here in fatai, the story of a 10-day-old baby rescued after

nearly 90 hours underneath the rubble. taken into an ambulance, wrapped in a thermal blanket. his mother was saved too, carried away on this stretcher. the story of this man rescued after 108 hours under the rubble. the teams carefully carrying him down on the stretcher to a waiting ambulance. and then the moment the rescuers, overcome, hugging one another. one more life saved. while back at the scene of that apartment building that came down today, it is now nightfall. and we watch as rescuers use their flashlights to peer into the cracks, the spaces between the blocks of concrete. you can see they're clearing away another floor here. hours have gone by and still no li sign of life. the search and rescue team remains at the top of the pile here. soon they'll go in again.

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♪ as the search and rescue operation continues right here beside us, the people here in turkey will tell you they're fully aware that the death toll across this region continues to grow. but there have been the moments of joy, the miracles. tonight, our chief foreign

correspondent ian pannell in antakhia where he witnessed a remarkable find. >> reporter: a race against time to treat the victims earthquake. helicopters ferrying the wounded from the disaster zone to the region's biggest hospital. on a normal year, 42 choppers land near. now it's 40 every day. these helicopter rescue missions are now going on around the clock. more than 700 patients rescued just in this hospital alone. the medics have barely slept this week. dr. halil, the health chief, says this is the most serious situation he's ever encountered. and the hospital wards are teeming with miraculous tales. hello, little man. when the quake struck, the family's sixth-floor apartment crashed to the ground. adam spent 14 hours digging with his hands to free his wife and

young son from the rubble. 6-year-old ramhala has injuries all over his small body. he tells me, "it's very bad, my leg's broken. i want my school, i want my teacher, i want my cats." it's heartbreaking for his parents to hear. his mom hiyreah says, "what do i feel? there isn't anything anymore. it's all gone." the tragedy for so many across turkey and syria is even though they've survived the quake, they no longer have a home to return to. the humanitarian crisis is now looming here. threatening to make this catastrophe even worse. so many here in turkey flocking to the nearest helping hand they can find.

hundreds of thousands of people across this region have now effectively lost their homes. many of h tave also lost friends and family. this is one of many temporary camps that's been set up. you can see people are setting fires throughout the camp to try and keep themselves warm. volunteers are bringing in food. make no mistake, no one expected this, and life is now really tough for these people. still there are some fleeting rays of hope. even in these darkest of times. a little pink and yellowface paint for the children. and a warm drink for the adults. it could make all the difference. a little something for so many who have lost everything. when "nightline" continues, a final note from turkey. this all-new ariya is an elegant ev.

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♪ we have heard from it so many of the families here. their gratitude for help from around the world, for help back home from the u.s. tonight, if you would like to help, you can go to unicefusa.org/abcnews. i'm david muir. from all of us here at "nightline" and abc news, good night.