Colleagues and politicians on both sides of the aisle publicly mourned GOP 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 (Ariz.) Saturday, following the announcement of his death.

McCain, long seen as a giant of the Senate and a maverick within his party, was widely respected on and off Capitol Hill by lawmakers across the political spectrum.

McCain, 81, survived years as a prisoner of war in Vietnam before becoming a leading actor on the political stage for decades.

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He died Saturday after battling an aggressive form of brain cancer.

Perhaps his closest friend on the Hill, Sen. Lindsey Graham Lindsey Olin GrahamSteele Dossier sub-source was subject of FBI counterintelligence probe Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Key Democrat opposes GOP Section 230 subpoena for Facebook, Twitter, Google MORE (R-S.C.), honored McCain minutes after the announcement of his death, tweeting, “America and Freedom have lost one of her greatest champions. ... And I’ve lost one of my dearest friends and mentor. I will need some time to absorb this, but I want Cindy —and the entire McCain family — to know they are in my prayers.”

America and Freedom have lost one of her greatest champions.



….And I’ve lost one of my dearest friends and mentor. — Lindsey Graham (@LindseyGrahamSC) August 25, 2018

President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE, though he has had a rocky relationship with the senator during his time in the White House, also sent his condolences to the McCain's family.

“My deepest sympathies and respect go out to the family of Senator John McCain. Our hearts and prayers are with you!” he tweeted.

My deepest sympathies and respect go out to the family of Senator John McCain. Our hearts and prayers are with you! — Donald J. Trump (@realDonaldTrump) August 25, 2018

Vice President Pence echoed Trump, saying, “Karen and I send our deepest condolences to Cindy and the entire McCain family on the passing of Senator John McCain. We honor his lifetime of service to this nation in our military and in public life. His family and friends will be in our prayers. God bless John McCain.”

All living presidents also honored the senator, touting McCain as a "patriot" and "man of honor."

Former President Obama and former first lady Michelle Obama Michelle LeVaughn Robinson ObamaBlack stars reimagine 'Friends' to get out the vote Obama shares phone number to find out how Americans are planning to vote Michelle Obama: 'Don't listen to people who will say that somehow voting is rigged' MORE released a statement saying, “Few of us have been tested the way John once was, or required to show the kind of courage that he did."

"But all of us can aspire to the courage to put the greater good above our own. At John’s best, he showed us what that means. And for that, we are all in his debt. Michelle and I send our most heartfelt condolences to Cindy and their family,” they wrote.

Former President George W. Bush called McCain "a man of deep conviction and a patriot of the highest order."

"Some lives are so vivid, it is difficult to imagine them ended. Some voices are so vibrant, it is hard to think of them stilled. John McCain was a man of deep conviction and a patriot of the highest order,” Bush wrote.

"Some lives are so vivid, it is difficult to imagine them ended. Some voices are so vibrant, it is hard to think of them stilled. John McCain was a man of deep conviction and a patriot of the highest order.” [...] Full statement by President George W. Bush https://t.co/FQVYWIUyGL pic.twitter.com/W8LCxJXRLi — George W. Bush Presidential Center (@TheBushCenter) August 25, 2018

Former President Clinton and 2016 Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE also released a statement, calling McCain a "trusted colleague" who "lived by his creed every day."

“Senator John McCain believed that every citizen has a responsibility to make something of the freedoms given by our Constitution, and from his heroic service in the Navy to his 35 years in Congress, he lived by his creed every day. He was a skilled, tough politician, as well as a trusted colleague alongside whom Hillary was honored to serve in the Senate. He frequently put partisanship aside to do what he thought was best for the country, and was never afraid to break the mold if it was the right thing to do,” the Clintons wrote.

Former President George H.W. Bush lauded McCain as a "patriot of the highest order" and "a public servant of rarest courage."

“John McCain was a patriot of the highest order, a public servant of rarest courage. Few sacrificed more for, or contributed more to, the welfare of his fellow citizens — and indeed freedom-loving peoples around the world," he wrote in a statement. "Another American maverick and warrior, General George Patton, once observed: ‘We should thank God that men such as these have lived.’ ”

Statement by former President @GeorgeHWBush on the passing of U.S. Senator John McCain of Arizona. pic.twitter.com/joT1reIihM — Jim McGrath (@jgm41) August 25, 2018

Former President Carter also honored McCain, writing that he was a "man of honor."

“John McCain was a man of honor, a true patriot in the best sense of the word. Americans will be forever grateful for his heroic military service and his steadfast integrity as a member of the United States Senate," Carter wrote. "Rosalynn and I extend our sincere condolences to Senator McCain’s family and to the people of Arizona whom he represented so forthrightly for so many years.”

STATEMENT BY FORMER U.S. PRESIDENT JIMMY CARTER ON THE PASSING OF SENATOR JOHN MCCAIN pic.twitter.com/dcuUIJp8tK — The Carter Center (@CarterCenter) August 25, 2018

Former Vice President Joe Biden Joe BidenPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Fox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio MORE, a longtime colleague and friend of McCain's, praised the senator, saying that his "impact on America hasn't ended." McCain died after battling the same form of cancer which Biden's son Beau Biden battled before his death in 2015.

“John McCain’s life is proof that some truths are timeless. Character. Courage. Integrity. Honor. A life lived embodying those truths casts a long, long shadow. John McCain will cast a long shadow. His impact on America hasn’t ended. Not even close. It will go on for many years to come … America will miss John McCain. The world will miss John McCain. And I will miss him dearly,” Biden wrote.

John McCain was many things – a proud graduate of the Naval Academy, a Senate colleague, a political opponent.



But, to me, more than anything, John was a friend. He will be missed dearly. pic.twitter.com/AS8YsMLw3d — Joe Biden (@JoeBiden) August 25, 2018

Senate Minority Leader Charles Schumer Chuck SchumerPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' 3 reasons why Biden is misreading the politics of court packing Cruz blocks amended resolution honoring Ginsburg over language about her dying wish MORE (D-N.Y.) released a statement honoring his former colleague and said he would introduce a resolution to rename a Senate office building after McCain.

“As you go through life, you meet few truly great people. John McCain was one of them. His dedication to his country and the military were unsurpassed, and maybe most of all, he was a truth teller - never afraid to speak truth to power in an era where that has become all too rare. The Senate, the United States, and the world are lesser places without John McCain,” Schumer said.

Schumer's Republican counterpart, Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellTrump 'no longer angry' at Romney because of Supreme Court stance On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline The Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power MORE (R-Ky.) praised McCain as a "bright example."

“In an era filled with cynicism about national unity and public service, John McCain’s life shone as a bright example," McConnell wrote. "He showed us that boundless patriotism and self-sacrifice are not outdated concepts or clichés, but the building blocks of an extraordinary American life … It’s an understatement to say the Senate will not be the same without our friend John. I will treasure the many memories we’ve shared together through the years.”

Today, the nation mourns the loss of a great American patriot. My full statement on the passing of @SenJohnMcCain pic.twitter.com/yKDgnPw6vm — Leader McConnell (@SenateMajLdr) August 25, 2018

McCain’s fellow Arizonan, Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeHow fast population growth made Arizona a swing state Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden MORE (R-Ariz.), tweeted that the world had "lost a hero and a statesman," with McCain's death.

“Words cannot express the sorrow I feel at John McCain’s passing. The world has lost a hero and a statesman. Cindy and the McCain family have lost a loving husband and father. I have lost a wonderful friend.”

Words cannot express the sorrow I feel at John McCain’s passing. The world has lost a hero and a statesman. Cindy and the McCain family have lost a loving husband and father. I have lost a wonderful friend. — Jeff Flake (@JeffFlake) August 25, 2018

McCain’s running mate from his 2008 presidential bid, former Alaska Gov. Sarah Palin (R) also offered her condolences to the McCain family.

“Today we lost an American original. Sen. John McCain was a maverick and a fighter, never afraid to stand for his beliefs. John never took the easy path in life - and through sacrifice and suffering he inspired others to serve something greater than self.”

Today we lost an American original. Sen. John McCain was a maverick and a fighter, never afraid to stand for his beliefs. John never took the easy path in life - and through sacrifice and suffering he inspired others to serve something greater than self. — Sarah Palin (@SarahPalinUSA) August 25, 2018

House Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) mourned McCain’s loss, saying, “This is a sad day for the United States. Our country has lost a decorated war hero and statesman."

"John McCain was a giant of our time — not just for the things he achieved, but for who he was and what he fought for all his life. John put principle before politics. He put country before self," he continued. "He was one of the most courageous men of the century. He will always be listed among freedom’s most gallant and faithful servants.”

John McCain was a giant of our time—not just for the things he achieved, but for who he was and what he fought for all his life. He will always be listed among freedom’s most gallant and faithful servants. — Paul Ryan (@SpeakerRyan) August 25, 2018

House Minority Leader Nancy Pelosi Nancy PelosiPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Trump signs largely symbolic pre-existing conditions order amid lawsuit MORE (D-Calif.) tweeted that McCain “was a leader & public servant of deep patriotism, outstanding bravery & undaunted spirit. Throughout his career, we all saw his integrity, humility, courage & grace. May it be a comfort to his family to know that so many around the world mourn with them.”

.@SenJohnMcCain was a leader & public servant of deep patriotism, outstanding bravery & undaunted spirit. Throughout his career, we all saw his integrity, humility, courage & grace. May it be a comfort to his family to know that so many around the world mourn with them. — Nancy Pelosi (@NancyPelosi) August 25, 2018

Former Secretary of State Madeleine Albright said she had known no one with "greater courage" or "stronger convictions" than McCain.

“I have not know anyone with greater courage, stronger convictions or more devotion to country than John McCain. He is irreplaceable, but his legacy will live wherever democracy is defended, human rights are protected, and U.S. leadership is exerted in defense of universal values,” she wrote.

I have not know anyone with greater courage, stronger convictions or more devotion to country than John McCain. He is irreplaceable, but his legacy will live wherever democracy is defended, human rights are protected, and U.S. leadership is exerted in defense of universal values. pic.twitter.com/exnWGImiHQ — Madeleine Albright (@madeleine) August 25, 2018

Former Republican presidential candidate and current Utah Republican Senate candidate Mitt Romney Willard (Mitt) Mitt RomneyTrump 'no longer angry' at Romney because of Supreme Court stance GOP lawmakers distance themselves from Trump comments on transfer of power McConnell pushes back on Trump: 'There will be an orderly transition' MORE said McCain "defined a life of honor," and a good friend.

“John McCain defined a life of honor. Serving his country in an unpopular war, refusing preferential release from prison and torture, rejecting the opprobrium directed by his supporter toward his political opponent, extolling the ascendency of the first black president who had just defeated him and voting his conscience in the face of his party’s universal condemnation,” Romney said in a statement.

“Integrity, duty, courage and character combined in John McCain: a great and heroic man of honor who stood tallest in the United States Senate. I will miss a good friend; America will miss a giant among men.”

Heavy hearts with the loss of a great friend. pic.twitter.com/dU6kDtScU4 — Mitt Romney (@MittRomney) August 25, 2018

Former Florida Gov. Jeb Bush (R) called McCain's "selfless lifetime" a "profile in American exceptionalism."

“John McCain’s courageous and selfless lifetime of service is a profile in American exceptionalism. Prayers this evening for the Senator, Cindy and the entire McCain family,” he wrote.

John McCain’s courageous and selfless lifetime of service is a profile in American exceptionalism. Prayers this evening for the Senator, Cindy and the entire McCain family. — Jeb Bush (@JebBush) August 25, 2018

Condolences also came from overseas, with French President Emmanuel Macron calling McCain a “true American hero.”

“John McCain was a true American hero,” Macron said in a tweet on Sunday. “He devoted his entire life to his country. His voice will be missed. Our respectful thoughts go to his beloved ones.”

— Updated Aug. 26 7:41 a.m.