Torrential rains before dawn on Friday deluged the Guadalupe River, which burst its banks and killed dozens of people, leaving behind mangled piles of debris, trees and cars.

Amid rescue efforts after massive flooding in Texas, an illegal drone struck a helicopter involved in an emergency response in Kerr County.

Rescue workers patrolled by foot and by airboat in the search for those still missing from flash floods that swept Texas over the July Fourth weekend.