Sen. Ted Cruz, a Texas Republican, said recent government spending cuts to the Federal Emergency Management Agency and the National Weather Service did not delay any warnings.

Mr. Trump said his administration was working with state and local officials and that Department of Homeland Security Secretary Kristi Noem would be arriving in Texas shortly. DHS oversees the Federal Emergency Management Agency.

She called what happened a “once in a generation national disaster” and urged “everyone in the area to remain vigilant, listen to all warnings and