Senator Lindsey Graham, the South Carolina Republican who rose from small-town roots to become a key power broker in Washington, died unexpectedly early Sunday morning at the age of 71. His passing, confirmed by Fox News at 2:35 a.m. ET, sent shockwaves through the Capitol and set in motion a rapid succession process that has placed his sister in the Senate seat he held for nearly two decades.

Graham’s death was initially met with disbelief, as many on Capitol Hill had been focused on the prolonged absence of former Senate Majority Leader Mitch McConnell, who has been hospitalized with an unspecified illness. However, the news was quickly verified, and Graham’s colleagues were left to mourn a legislator known for his tenacity and willingness to cross party lines to forge deals.

Within hours of the announcement, South Carolina Governor Henry McMaster appointed Darline Graham, the senator’s younger sister, to fill the vacant seat until a special election can be held. Darline Graham, who was adopted by Lindsey Graham after their parents died when she was a teenager, is a political newcomer. In a statement, she said, «Lindsey has always been there for me. And now I will be there for him.»

The appointment was supported by key Republican figures, including Senators Katie Britt of Alabama and Tim Scott of South Carolina, as well as President Donald Trump, who called it a fitting tribute to the late senator. McMaster emphasized the temporary nature of the appointment, noting that Darline Graham would serve only until January, when a newly elected senator would take office.

The decision to appoint Darline Graham avoided a potential political complication for the narrow Republican majority in the House. Had McMaster chosen a sitting House member to fill the Senate seat, it would have triggered a special election for the vacated House seat, potentially reducing the GOP’s slim majority for months. Several South Carolina House members, including Reps. Russell Fry, Nancy Mace, and Ralph Norman, have already expressed interest in running for the full Senate term.

South Carolina will hold a snap primary in mid-August to determine the Republican nominee for the seat. The winner will face Democrat Annie Andrews in the November general election. President Trump’s influence is expected to play a significant role in the primary, with Trump already signaling support for Fry. The election marks a historic shift for South Carolina, as it will be the first time since the mid-1950s that neither Lindsey Graham nor the late Senator Strom Thurmond appears on the ballot.

Graham’s death also reverberated through the Senate chamber on Monday, when the body convened for the first time since his passing. Senate Chaplain Barry Black led a prayer, saying, «Lord, we remember with gratitude his commitment to the responsibilities entrusted to him and the many ways he sought to serve the people of this country. Give comfort, strength and peace to his family, friends, colleagues and all who mourn his passing.»

Graham’s desk was draped in a black cloak, and a bouquet of white roses was placed on it, symbolizing both mourning and a new beginning. Senate Majority Leader John Thune of South Dakota remarked, «The halls of the Senate already feel empty without him.» Well-wishers left notecards and flowers outside Graham’s office in the Russell Senate Office Building.

Colleagues remembered Graham as a lawmaker who prioritized action over argument. Senator James Lankford of Oklahoma said on Fox News, «He didn’t want to just argue about things. He wanted to actually solve things.» Even in his final days, Graham was working on a Russia sanctions measure that Senator Angus King of Maine predicted «could be the end of the war in Ukraine» by putting pressure on Russia.

Graham first won a seat in Congress in 1994 as part of the historic «Republican Revolution» that flipped control of the House for the first time in 40 years. He and Senate Armed Services Committee Chairman Roger Wicker of Mississippi were the only members from that class still serving in Congress at the time of his death. His legacy as a dealmaker and a steadfast voice on national security will be remembered as the Senate moves forward without him.