UPDATE 9:51 a.m. EST: Tillis posted a video to his Twitter feed letting everyone know that he was simply overheated and did not require any CPR or "special measures."
GOP NC Sen Thom Tillis collapsed at 3 mile DC roadrace this am. At hospital and awake. Am told it could be dehydration— Chad Pergram (@ChadPergram) May 17, 2017
UPDATE 9:27 a.m. EST: Fox News' Chad Pergram reported Tillis is "at hospital and awake."
ORIGINAL STORY: Sen. Thom Tillis (R-NC) collapsed during a race in Washington, D.C., on Wednesday morning and was taken away in an ambulance, the Associated Press reported.
Bystanders administered CPR after Tillis, 57, collapsed near the two-mile mark of the ACLI Capital Challenge Three Mile Team Race in Anacostia Park.
Tillis at first appeared unconscious but was "revived and breathing" when he was taken away by ambulance, according to the Associated Press. It was not immediately known which hospital Tillis was taken to.
BREAKING: Sen. Thom Tillis of North Carolina collapses during DC race, gets CPR, taken away in ambulance.— The Associated Press (@AP) May 17, 2017
Bystanders were lauded for coming to Tillis' aid.
Well-wishes quickly poured in from fellow lawmakers.
Tillis wasn't the only participant that required medical attention.
Tillis is serving his first term as the junior senator from North Carolina, elected in November 2014. He is a member of the Senate's armed services, judiciary, veterans affairs and banking, housing and urban affairs committees, and the special committee on aging.
He served in the North Carolina legislature from 2009 to 2015.
He was leading his own team in the Capital Challenge called "Team Tillis."
Tillis shared this photo before the race.