Washington, July 12 -- The sudden death of US Senator Lindsey Graham from a "brief and sudden illness" on Saturday (local time) has prompted an outpouring of tributes from American and world leaders, who praised his unwavering commitment to his home state of South Carolina, transatlantic security, support for Ukraine, and the US-Israel alliance.

US Vice President JD Vance reflected on the complexity and dedication which he said defined Graham's career. Recalling his time working alongside him, Vance shared a personal anecdote about their evolving professional relationship in a post on X.

"Early in my Senate tenure, I remember getting into a shouting match with Lindsey about a Ukraine funding bill at lunch and then learning the very next...