Sen. John McCain John Sidney McCainAnalysis: Biden victory, Democratic sweep would bring biggest boost to economy The Memo: Trump's strengths complicate election picture Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE’s (R-Ariz.) Senate desk on Monday was draped in a black cloth and adorned with a vase of white roses following his death over the weekend.

Cindy McCain, the wife of the Arizona Republican, posted a photo on Twitter of her husband’s desk in the Senate chambers.

John McCain, 81, died one day after his family announced that he would be discontinuing medical treatment for brain cancer, stating that the “progress of disease and the inexorable advance of age" had "render[ed] their verdict.”

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McCain was diagnosed with an aggressive glioblastoma in July 2017.

He survived years as a prisoner of war in Vietnam before becoming a leading actor on the political stage for decades.

There has been speculation Arizona Gov. Doug Ducey (R) could appoint Cindy McCain to fill her husband’s seat until 2020, when there will be a special election for the right to finish out the final two years of McCain’s term.

There will be an election for a full six-year term in the 2022 elections.

Cindy McCain took Twitter on Saturday to thank the public for the “love and support from around the world.”