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.

The chief of the Federal Emergency Management Agency urban search and rescue team resigned Monday over frustrations on how the government handled the Texas flood response, CNN first reported. The big picture: Ken Pagurek's resignation comes as the agency approaches peak disaster season,

The acting administrator of the Federal Emergency Management Agency is pushing back on criticisms of the federal response to the central Texas floods that killed at least 136 people.