WASHINGTON (WTVD) — Republican Sen. Thom Tillis of North Carolina suffered a medical problem during a Washington, D.C., race Wednesday morning and was taken away by ambulance.

Tillis, 57, was reportedly seen on the ground being administered CPR by bystanders at about 15-20 minutes into the three-mile race, which started at 8 a.m.

He later took to Twitter saying he “just got overheated … to CPR, no special measures needed.”

I’m doing well. Looking forward to getting back to work. Thanks for all of your prayers and well wishes. #CapChallengepic.twitter.com/uQGQp85qzR

— Senator Thom Tillis (@SenThomTillis) May 17, 2017

A spokesperson said Tillis became dehydrated and overheated. Good Samaritans and Capitol Police came to help and started chest compressions.

WATCH: Local doctor gives advice on overheating

Medical professionals give advice on outdoor activities in the heat

He later got a clean bill of health from doctors and was released from the hospital. In a message posted on YouTube he said he’s already back on the job.

It got even better later, when Tillis tweeted that he was going to become a grandfather.

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