Long-serving Rep. Raúl Grijalva died Thursday after a battle with lung cancer, ending his decades-long career in public service and leaving a gap in Arizona's representation on Capitol Hill. One of Arizona's longest-serving congressmen,

Democratic U.S. Rep. Raúl M. Grijalva of Arizona has died. He championed environmental protection during his 12 terms in Congress. Grijalva was 77.

Longtime Rep. Raul Grijalva, D-Ariz. passed away at 77 years old on Thursday after a battle with lung cancer. He was one of the longest-tenured members of Congress in the history of Arizona, serving for more than two decades.