Thousands of Twitter users are currently unable to Tweet or follow other users.
Social media users around the world have reported being unable to tweet or follow other accounts because of a bug linked to new limits on user activity on the platform. On Wednesday, users began reporting seeing a message saying "rate limit exceeded" - meaning they had hit the site's limit for the number of tweets or new accounts followed within a certain time period.
Twitter said it has the limits in place to ease the strain on the site and help it run more smoothly, but many users reported seeing the message while well below the limits - some said they had not previously tweeted that day, suggesting a bug in the system.