Republicans and Democrats in Congress questions the FEMA chief about the agency's response following flooding in Hill Country that left more than 130 people dead.

The head of FEMA’s Urban Search and Rescue branch, which runs a network of teams stationed across the country that can swiftly respond to natural disasters, resigned on Monday.

The head of FEMA's Urban Search and Rescue branch, Ken Pagurek, has resigned due to frustration over the agency's response to the flooding in Central Texas, sources say.