'America and the world have lost a determined leader': Tributes pour in after Sen Lindsey Graham's death

This material may not be published, broadcast, rewritten, or redistributed. ©2026 FOX News Network, LLC. All rights reserved. Quotes displayed in real-time or delayed by at least 15 minutes. Market data provided by Factset. Powered and implemented by FactSet Digital Solutions. Legal Statement. Mutual Fund and ETF data provided by LSEG. Fox News senior medical analyst Dr. Marc Siegel discusses the unexpected death of Sen. Lindsey Graham, R-S.C. Tributes poured in Sunday from President Donald Trump, congressional leaders and foreign allies after Sen. Lindsey Graham, R-S.C., died at 71 following what his office described as a "brief and sudden illness," bringing to an end the career of one of the Senate's most influential Republican voices. The South Carolina Republican had served in the Senate since 2003 and became one of the GOP's leading voices on national security and foreign policy. Once a sharp critic of Trump during the 2016 presidential campaign, Graham later emerged as one of the president's closest allies while maintaining a prominent role on issues ranging from judicial confirmations to Ukraine, Israel and Iran. Trump wrote on Truth Social that Graham "was always working,"