Twitter users were not able to enter the social-media platform for about an hour on Thursday afternoon.
The ones who were trying to access the platform through mobile devices and desktops were stopped with blank feeds, logged out, and told to “try again later.”
Outage monitor Downdetector started receiving user statements regarding the problems with the application and website at 12:45 BST. By 13:12, it had received almost 30,000 complaints.
By 13:45, the technical problems seemed to have been resolved.
At 14:10, Twitter Support tweeted: “Some of you are having issues accessing Twitter – and we’re working to get it back up and running for everyone. Thanks for sticking with us.”
It was one of the most prolonged Twitter outages since it broke down for more than two hours in 2016.
Users who were trying to tweet or reload their feeds were told “tweets aren’t loading right now,” with many complaining on Instagram, Facebook, and Reddit.
It follows Twitter’s statement that it is going to sue Tesla chief executive Elon Musk for backing up from his planned purchase.
A legal battle regarding Twitter’s bot numbers and terms of the $44bn deal now hovers between the platform’s lawyers and Mr. Musk.