More than two dozen Mexican rescue volunteers and firefighters have been looking for victims and clearing debris along the Guadalupe River. Others were left waiting for visas and humanitarian permits to cross the border.

INGRAM, Texas — Search and rescue crews from Mexico were forced to halt their operations on the Guadalupe River in Ingram, Texas today as rain caused water levels to rise, complicating efforts to find victims of the deadly July 4th floods.

Between July 3 and 6, Texas Hill Country experienced catastrophic flash flooding along the Guadalupe River system. The floods claimed at least 130 lives, with over 96 fatalities in Kerr County alone.

The Texas Hill Country has been notorious for flash floods caused by the Guadalupe River. Here's why the area is called "Flash Flood Alley."

A large percentage of people still unaccounted for were probably visiting the area, Kerr County Judge Rob Kelly said.

A Coast Guard rescue crew received distinguished awards for helping save the lives of those trapped in Kerrville, Texas, after historic flooding on July 4.

Eight-year-old girls at sleep-away camp, families crammed into recreational vehicles, local residents traveling to or from work. These are some of the victims.

Search efforts persist in Texas following devastating floods that claimed 132 lives, including campers at Camp Mystic.

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.

Many questions remain about how storms caught off guard an area prone to flooding and led to the second deadliest flood in Texas history. Here’s what we know. Flooding death toll increases to 132;