Transcript for More than 100 people killed in Cuban plane crash

Next to breaking news out of Cuba the island nation observing two days of mourning after a deadly plane crash just outside of Havana. The plane went down just after takeoff erupting into a towering fireball. More than 100 people dead. Just three people were pulled from the wreckage and tonight they are clinging to life. Here's ABC's Victor Oquendo. Reporter: Tonight the staggering death toll climbing in Cuba. 110 now dead and investigators are still trying to figure out why this plane plummeted from the sky. The fireball and smoke could be seen for miles in Havana. Cubans rushing to the crash site just moments after the 737 went down and erupted in flames Friday. Among the dead, 20 priests from an evangelical church. Somehow three people were pulled from the fiery wreckage alive. They're now fighting for their lives inside this hospital. This woman saying her daughter Emily is one of those survivors. Now she's clinging to her faith in god and her doctors. But dozens of other families crowded into the airport terminal eager for updates on their loved ones but hope is dwindling as Cuba's state TV begins posting photos of victims on their Facebook page. A towering stack of black coffins on the back of this truck, these men carefully unloading one after the other for the victims. Tom, officials say they found the flight recorder in the wreckage, and they're now going through the data.

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