Urban Search and Rescue Chief Ken Pagurek quit over a new policy that led to delays in FEMA's response to the flooding in Texas on July 4, sources said.

The Federal Emergency Management Agency’s acting leader has adamantly defended the federal government’s response to historic flooding in Texas earlier this month, saying lawmakers’ attacks on the agency’s actions were unwarranted.

Ken Pagurek, the Federal Emergency Management Agency's Urban Search and Rescue chief, has resigned amid criticism over the agency's delayed response to Texas flooding and efforts by the federal government to dismantle the organization.