President Donald Trump is visiting Texas on Friday to assess catastrophic flooding that has killed at least 120 people.

Camille Santana tragically lost her life during the Fourth of July floods that swept through Central Texas. Three other members of her family remain missing.

Hovering above the debris-strewn Guadalupe River, drone pilot Jordy Marks scans the flood-ravaged landscape with a quiet determination. As part of a civilian search and rescue team, Marks is helping guide ground crews to areas still untouched nearly a week after deadly floodwaters swept through Central Texas.

Along the Guadalupe River, a 60-room inn and nearby homes were quickly filling with water. Confusion, desperation and heroism ensued.

The Houston Texans were the first to announce their donations on Saturday, July 5, with more coming throughout the week. The Dallas Cowboys and the NFL Foundation joined the Texans on Sunday, July 6, with each contributing $500,000 in a $1.5 million total donation.

US President Donald Trump was set to visit Texas on Friday as questions mounted over the response to flash floods that have left at least 120 people dead, including dozens of children.

Over just two hours, the Guadalupe River at Comfort, Texas, rose from hip-height to three stories tall, sending water weighing as much as the Empire State building downstream roughly every minute it remained at its crest. The force of floodwater is often more powerful and surprising than people imagine.

Carl Nasman reports alongside a search team on the Guadalupe River, as more than 150 remain missing nearly a week after deadly flooding.

In what experts call "Flash Flood Alley," the terrain reacts quickly to rainfall steep slopes, rocky ground, and narrow riverbeds leave little time for warning.

Volunteers combing through debris piles from the devastating Central Texas flooding had to sniff out decaying bodies in the “chaotic” initial days of the search-and-rescue efforts.