The risk of the catastrophic flooding that struck Texas Hill Country as people slept on July 4 and left at least 120 dead was potentially underestimated by federal authorities, according to an ABC News analysis of Federal Emergency Management Agency data, satellite imagery and risk modeling.

By Trevor Hunnicutt and Maria Alejandra Cardona KERRVILLE, Texas (Reuters) -President Donald Trump arrived in Texas on Friday to survey the damage caused by flash flooding and to meet with local officials,