John Dingell, longest-serving member of Congress has died. He was 92.

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By Rebecca Shabad  with NBC News Politics
John Dingell
John Dingell   -  Copyright  Reuters

Former Rep. John Dingell, D-Mich., the longest-serving member of Congress who played a key role in many pieces of landmark legislation, has died at the age of 92, according to NBC affiliate WDIV. He was diagnosed with prostate cancer last year.

Dingell first arrived to Congress in 1955, taking over the seat held by his father John Dingell, Sr., who had died earlier that year and the younger Dingell continued to serve in the House for more than 59 years. He announced in 2014 that he would not seek re-election and instead his wife, Debbie Dingell, ran for his seat and is now serving her third term.

The congresswoman tweeted Wednesday, "Friends and colleagues know me and know I would be in Washington right now unless something was up. I am home with John and we have entered a new phase. He is my love and we have been a team for nearly 40 years."

This is a developing story. Please check back for updates.