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.

The death toll from devastating floods in the Texas Hill Country rose to 24 Friday night, officials said, as the search for more than 20 people missing from a girls summer camp continued through the night.

President Donald Trump said the flooding in Texas and deaths was "terrible" and "shocking" as he pledged federal support.The ContextAt least 24 people were dead and many missing after torrential rains unleashed flash floods along the Guadalupe River in Texas on Friday.