Sen. Maria Cantwell said Sunday the federal government must take responsibility for investigating the breakdown in flood warnings during the recent deadly storms in Texas , calling it a "national responsibility" to improve forecasting systems and prevent future disasters.

"It's not community to community. It's a national system," said Cantwell on "Face the Nation with Margaret Brennan." "And we share that with local people to help them best respond."

Since the July 4 flash floods in Kerr County, Texas, officials have confirmed at least 129 people are dead and more than 170 remain missing as of Sunday morning. Over the weekend, search and recovery efforts were temporarily halted for the first time due to new flood threats, as additional rain and rising water levels prompte

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