Transcript for Rescue efforts resume for any survivors of collapsed school in Mexico

Hey folks I'm Matt Gutman ABC news that Mexico City and this is this school that has been the focus of so much attention over the past couple of days. He collapsed I want get your sense of what this places like up there cameraman pan out is how high school used to be. At least we call it collapsed essentially what your city what that. Is. About twelve feet high up to a country that is why it is good so difficult to get to. It's believed to be between three and four children steal trapped inside. Her dramatic moment this morning overnight there were some signs to alerts everybody here scattered. Ben. Part of that. Its top tier of what used to be it's easily moved the third story collapsed as rescue workers were inside I spoke to one of these. Finds face pressed congress to cover it does these expensive here. And yet it's. It in his hands. He was its giant when it began to close in on him you know working and something about sixteen inches high so everybody panicked. It got there as quickly as they put it all worked humans made. Very bad news because overnight. That Knox always is that they've been hearing inside in the rubble from these children you'll at least one child probably around twelve or thirteen years old. Who has been verbally communicating. With rescuers. And others haven't but I'm much more quiet. Curt Knox coming from that some voices but no we look you know. That was always have become ever more feet over the past twelve hours does not at war. It's been very cold overnight into the low and low sixties and also rain. There's cancer and it hypothermia and exhaustion sitting in these human. But very good news just over the past few minutes. The lovely sound of buzz on its own death coming back added there that means it crews are back in there we actually know. One crew it is in. There's significance here stealing everything back because they're concerned that silver different crews early in from different locations. Might reduce. Pretty. This string bill whatever is left of this building equity chances of collapse now we spoke about this seismic warnings earlier. Basically this is the rest of the school but. It's what used to be is the central courtyard. Passed all the hoopla over Payer. Here are the last season when it goes there's still if that's because. There's concerns after shocks of tremors and they didn't. Trying to bolster the rest of this building is concerned it might collapse these few bite or. That is eagle pilots hoping that the second story we don't fall in on us again. Rescuers that industry up next show you something. Pretty interest until rescuers say they're not going anywhere but everybody is out of that pile and there. See it minister of education has been camped out in the past. 24 hours is not let that Iraqis come down here but he slipped up there. You tiger nation needs succeeded on his school. There are 200 people killed by devastating earthquake seven point one magnitude not hundred miles south of here. 25 people killed in his school alone but. Because they're still children trapped here because this is the only place that offers Mexicans a sliver of hope right now it's pretty incredibly awful situation. Everybody is watching it now they're in these here everybody that they can't after hours police construction. Between. While there served in. Basically a giant carpentry shops set up here because there. Propping up what's left of that pile with through my words and with them steel beams try to ensure that nothing lapses. The work here has been a continuous but it also has been incredible voice low. Everybody's concerned about the fate of the girls I mentioned that we spoke to this resident who got all the way inside here tantalizingly. Close. That way there tantalizingly close to that little girl he's one of them apparently she is under a desk. This at Google the following a strong gas. That is supporting her only about a three feet away from his. That's as far as they got right after being blocked a chunk of time trying to figure out hating it room to room. Getting to someone trapped inside rubble and he's not. More difficult. It's written statement without recruit injuring him and that's what they're going through right now they're methodically going there now in addition few hundred. I'm here. That means the military federal and local police the ministry of education yours if BA LA fire rescue teams coming out here. They try to help mediate ice folks here attic safely extract whomever might still living right now filed. The is being kept out here. Now also overnight he's gotten. Submit his nonstop 24 hour coverage here in Mexico but also globally. They have generators here at life. We. Dogs and tremendous amount of your patients him BC you see people eating drinking what you see sitting here all this water. Next are rich country but people just couldn't delivering this stuff. Saxon oranges water all the medical supplies all the offense all the charts that you see here donated by people here. You guys are probably volunteers write. Diagnose these people are volunteers spent the night here to do whatever they can't help. They take you back to file. Plea hearing buzzing. And taken out of dust coming out of that is really good games because it means they're active. Working. Now what we're gonna do over the coming hours. There's a crane station just for the other side of the school. So they're getting its cruise these carpentry crews. It if prop open giant crane is gonna come and try you. Whole charade Q. A number of sections on the roof and try to suspended not lifted up. Hold up just enough so that we're rescue workers to huddle in Borough in get a better look its eyes are almost out that debris is very tricky. Procedure because they value because they're concerned that if they let out from decides it might collapse he works if there's a tremendous amount of NG hearings going on. But that he even so typical south. Now they're going to plan CD. Hoping that is works in this is gonna happen probably over the next couple of hours but again. Even whose children are still there be they are still alive they are possibly. Answer exhausted and hungry. The last thing that rescuers here next. Are there any single way by trying to get in there too fast and intricate and how. This tangled in his knees sharp bark on. That's what's going on here again if you're just tuning in that got its ABC news I. The central courtyard of what used to be a primary school here you. Its other. District of the city. That is a pile where it's believed several children anywhere from two to four maybe possibly buying from his chair like. May still be alive now we also learn that they've just pulled out a teacher. Choose to seize on a couple of hours there's the fun out there but they hope. They're still inside our. Passing military scale operation going on it next to get these kids which you'll see beyond the perimeter. You can see beyond that basketball. There is that it hired hit city. That's were additional carpentry shops are there are. Bulldozers it's it's your right here front and voters. All they're accredited rubble out. Of the way when they get. When equities will I'll see these pilot wrote your team. Hundreds of problems that make act is an incredible operation try to get a few survivors out. We've been moved again if you survivors out of that I have a problem. And again and ministry of education. Folks up there say nobody is going anywhere. Until they get it out again I'm back gotten ABC news Ecstasy. Seized.

This transcript has been automatically generated and may not be 100% accurate.