The race to save lives in Venezuela is becoming a race against time. Rescue crews are digging through mountains of rubble, searching for survivors believed to be trapped after two powerful quakes struck just seconds apart. More than 900 people are confirmed dead and tens of thousands remain missing. Nick Schifrin reports. Notice: Transcripts are machine and human generated and lightly edited for accuracy. They may contain errors.

Amna Nawaz:

Welcome to the "News Hour."A day after two of the deadliest earthquakes in Venezuela's history, the race to save lives is becoming a race against time. Rescue crews are digging through mountains of rubble, searching for survivors believed to be trapped.

Geoff Bennett:

More than 900 people are now confirmed dead, and tens of thousands remain missing. As international aid teams rush into the disaster zone, the true scale of this unfolding crisis is only starting to emerge.Our Nick Schifrin starts our coverage tonight.