Ron Paul, a former Texas congressman, presidential candidate, and the father of Kentucky Sen. Rand Paul, suffered an apparent stroke in the middle of a live-stream Friday afternoon.

Paul, 85, who was live-streaming his weekday “Liberty Report” broadcast on YouTube, and was hospitalized for “precautionary” reasons, Fox News reported.

The video clip shows Paul, who has identified as a Republican and Libertarian, discussing the economy and then suddenly slurring his speech and speaking unintelligibly. The video, which was widely circulated on Twitter, cuts to another speaker on the call, who asks, “Dr. Paul?” without receiving a response.

Later Friday afternoon, Paul’s official Twitter account tweeted a photo of him recovering in a hospital bed. 

Soon after the incident Rand Paul chimed in and assured that his dad was doing well in a Twitter post.

“Thank God, Dad is doing well. Thank you for all your prayers today,” he tweeted.

Many other admirers of Ron Paul expressed concern and wishes for his well-being on social media.

Sen. Ted Cruz, Republican of Texas, wrote on Twitter that he and his wife, Heidi, were praying for Paul and his family.

“For many decades, he has been an extraordinary warrior for Liberty,” Cruz wrote.

An operator at a hospital in Lake Jackson, Texas, told CNBC that Ron Paul was being treated in the emergency room. When transferred to the emergency room, CNBC was told that no information on any patients could be provided because of federal disclosure laws.

A clip was first tweeted out by the Twitter account Intelwave. The live episode may have been a blessing in disguise, the outlet added in a subsequent tweet.

“Echoing the sentiment of one of my associates, I’m glad it happened live where someone noticed immediately and could get him medical help rather than it happening and him only being found hours later,” the tweet said.