Over 100 people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.

A government board, whose members included Camp Mystic’s co-owner, contracted with a company to better spot danger on the Guadalupe River.

Officials in Texas are facing mounting questions about whether they did enough to get people out of harm’s way before a flash flood swept down the Guadalupe River and killed more than 100 people, including at least 27 children and counselors at an all-girls Christian camp.

Officials in flood-stricken central Texas on Wednesday again deflected mounting questions about whether they could have done more to warn people ahead of devastating flash flooding that killed at least 119 people on July 4.

When the precipitation intensified in the early morning hours Friday, many people failed to receive or respond to flood warnings at riverside campsites known to be in the floodplain.

Emergency officials are starting to focus on alert systems as they search for answers about how the flash flooding swept away so many.

Deadly flash floods have struck the US. New Jersey faces new warnings as storms intensify. Officials urge preparedness as risks rise nationwide.

Heavy rain poured over parts of central Texas, dumping more than a month's worth of rain for places like San Angelo.