Elon Musk's X down for thousands of users

There were more than 5,600 reports of issues with the social media platform, as of 06:51 a.m. ET, according to Downdetector, which tracks outages by collating status reports from a number of sources.

Cloudflare, a web infrastructure company, was also having issues that impacted other services. It was not immediately clear whether the outages were related.

Around 6:40 a.m. ET, Cloudflare said on its status page it was investigating the issue. The company's shares fell 4.1% in premarket trading.

"We are working to understand the full impact and mitigate this problem. More updates to follow shortly," it said.

X and Cloudflare did not immediately respond to Reuters' requests for comment.