Grijalva, the son of a Mexican immigrant who rose to the halls of Congress in a public-service career that stretched more than 40 years, has died.

Long-serving Rep. Raúl Grijalva died on 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,

Rep. Raul Grijalva has died at 77, according to a statement from his office. The 12-term Arizona Democrat had been under treatment for cancer. “Rep. Grijalva fought a long and brave battle,” the statement said.

Democratic U.S. Representative Raúl Grijalva, who represented Arizona for more than 20 years, died on Thursday at the age of 77 due to complications from cancer treatments, his office said in a statement.