The Homeland Security chief denied that a memo she issued in June requiring her to approve FEMA expenditures over $100,000 caused the agency to move more slowly.

US President Donald Trump flew to Texas Friday as questions swirled over the authorities' response to flash floods that have left at least 120 people dead, including dozens of children. FEMA began its response to the Texas flash floods over the weekend after Trump signed a major disaster declaration to release federal resources.

Following last year’s record-breaking wildfires in the Texas Panhandle, which exposed serious flaws in the state’s emergency response system, lawmakers had a chance to act. But after this week’s historic flooding,