In the year and a half before he died, the South Carolina Republican led a Senate committee that was largely responsible for Trump's biggest wins.

The South Carolina senator’s office said the 71-year-old died after a “brief and sudden illness.”

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

Lindsey Graham, a prominent Republican senator, has died at the age of 71 from a brief illness.