Colleagues and friends of Raúl M. Grijalva are remembering the 12-term congressman from Arizona for his tireless efforts to protect the environment, advance tribal interests and fight for equality

Arizona Congressman Raul Grijalva, 77, has died from complications of his cancer treatment, his office announced Thursday. He battled cancer for more than a year.

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.