Elon Musk’s X was down for thousands of users globally on Monday, according to Downdetector.com.

There were more than 9,800 reports of issues with the social media platform, as of 10:18 a.m. ET, according to Downdetector.

Downdetector tracks outages by collating status reports from a number of sources. The actual number of affected users may differ from what is shown, as the reports are submitted by users.

X was also down for over 1,300 users in Canada, as of 10:16 a.m. ET, and for over 1,400 users in the UK, as of 10:18 a.m. ET.

SpaceX, which owns X, did not immediately respond to Reuters’ request for comment on what caused the outage.

(Reporting by Anhata Rooprai in Bengaluru; Editing by Shreya Biswas)