US Republican Lindsey Graham quitting race for White House

Low-Polling Lindsey Graham Exits Presidential Race
Low-Polling Lindsey Graham Exits Presidential Race

WASHINGTON (Reuters) -- U.S. Senator Lindsey Graham said on Monday he is dropping out of the race for the 2016 Republican presidential nomination, leaving 13 candidates in the party's still-crowded field.

SEE MORE: COMPLETE 2016 ELECTION COVERAGE FROM AOL.com

"Today, I'm suspending my campaign for president," the South Carolina senator said in a video posted on YouTube.

%shareLinks-quote="Today, I'm suspending my campaign for president." type="quote" author="Sen. Lindsey Graham" authordesc="" isquoteoftheday="false"%

See more from Lindsey Graham:

Graham, a hawk on defense and foreign policy, ranked in lowest tiers in opinion surveys of Republican voters in a race being dominated by a political outsider, real estate tycoon Donald Trump.

"I'm going to suspend my campaign. I'm not going to suspend my desire to help the country," Graham said. "I've hit a wall here."

%shareLinks-quote="I'm going to suspend my campaign. I'm not going to suspend my desire to help the country." type="quote" author="Sen. Lindsey Graham" authordesc="" isquoteoftheday="false"%

Graham said he was proud of what he called his bold, practical solutions on debt and immigration.

Watch more coverage:

Graham Ends Bid, What Happens Next?
Graham Ends Bid, What Happens Next?

"I got into this race to put forward a plan to win a war that we cannot afford to lose, and to turn back the tide of isolationism that was rising in our party. I believe we've made enormous progress in this effort," he said.

Sen. Lindsey Graham (SC) - Profile InsideGov

More from AOL.com:
Donald Trump demands an apology from Hillary Clinton: NBC
NH district closes schools after 'specific' violent threat
Air France passenger detained after fake bomb found