"Lindsey basically worked himself to death," US Senator Tommy Tuberville said of Graham's commitment to work. He rarely took vacations and was constantly traveling for work.

U.S. Senator Lindsey Graham died Saturday after a brief and unexpected illness, his office said in statement posted on social media.

Graham had just returned from Kyiv, Ukraine, where he met with Ukrainian President Volodymyr Zelenskyy.

Emergency personnel responded to a call for “cardiac arrest” at Graham’s home on Saturday night, according to police scanner audio obtained by NBC News.

Graham, a prominent Republican senator from South Carolina, was 71.

Republican hawk and Iran critic was frequent visitor to Middle East and respected among Gulf leaders

Mr Graham, 71, a veteran senator, is notorious for often urging the US to go to war, especially wars that favour Israel.

Mr Graham, 71, a veteran senator, is notorious for often urging the US to go to war, especially wars that favour Israel.

US Sen. Lindsey Graham, the longtime Republican from South Carolina, has died “from a brief and sudden illness,” a spokesperson for his office told CNN.

The Republican Senator from South Carolina passed away Saturday evening “from a brief and sudden illness.” No additional details were provided.

His office says he passed away on Saturday evening after a brief and sudden illness.

US Senator Lindsey Graham has passed away after a brief and sudden illness, the communications director for his office said in a post on X early on Sunday.

US Senator Lindsey Graham has passed away at 71 due to an unexpected illness, with his office reporting his death early Sunday.

Senator Lindsey Graham died after a brief, sudden illness, his office confirmed, with his family requesting privacy during mourning.

Lindsey Graham reportedly suffered chest pain at his D.C. home after returning from Ukraine, and then went into cardiac arrest, before dying.

US Senator Lindsey Graham has died at the age of 71 following a “brief and sudden illness,” his office announced early Sunday.

The South Carolina politician was a vocal critic of President Donald Trump before becoming one of his most loyal allies on Capitol Hill.

Republican lawmaker was vocal supporter of war against Iran

The longtime senator was one of Washington's most vocal supporters of military action against Iran

The South Carolina Republican was running for reelection to his fifth term in the Senate, having begun his tenure in 2003.

Many colleagues reacted to the news of the South Carolina Republican's death, calling him a friend and American patriot.