Dozens of people are dead in central Texas in what officials called a "mass casualty event" after devastating flash floods slammed Hill Country, with water rescues taking place along the Guadalupe River.

Extreme flooding left at least 24 dead in Kerr County, and between 23 to 25 children missing from Camp Mystic, a Christian girls camp along the Guadalupe River.

Months worth of heavy rain fell in a matter of hours on Texas Hill Country, killing at least 13 people and leaving more than 20