Flash flooding in Texas Hill Country has triggered one of the largest rescue operations in the state’s history.

And what should have been a celebration of America’s proudest day suddenly turned into an American tragedy.They had come to ...

Flood expert Hatim Sharif, a hydrologist and civil engineer at the University of Texas at San Antonio, explains what makes this part of the country, known as Flash Flood Alley, so dangerous.

The Hill Country also received an unexpected helping hand from Fundacion 911 Mexico, a search and rescue team from Mexico.