Sen. Lindsey Graham wins GOP primary, defeating wealthy challenger in South Carolina

Graham spent millions to defeat a primary opponent, NBC News projects, after receiving President Donald Trump’s endorsement last year.

Sen. Lindsey Graham has won his Republican primary in South Carolina, NBC News projects, after he spent millions to secure the nomination.

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Graham faced multiple primary challengers Tuesday, but the biggest threat came from self-funding businessman Mark Lynch, who lent his campaign $5 million. Graham’s campaign spent more than $13 million on ads, according to AdImpact, as he battled Lynch for the GOP nod.

Graham, who is in his fourth term, got a boost from President Donald Trump, who endorsed him last year, and he touted his record and his work with Trump in the primary. In one campaign ad, a narrator says Trump “delivered on his promise to close the border” with Graham’s help, adding that Graham is “there for South Carolina, delivering for President Trump.”