New Delhi | Due to a security breach in Twitter, the tweets of the private circle became public. According to a media report, Twitter has informed affected users about the incident that happened earlier this year. The report cited the mail that Twitter sent to these users. According to the micro-blogging platform, the issue was rectified immediately. Twitter also apologized for the inconvenience caused due to this. Twitter circles were created so that specific people could join and see their tweets, replies, and other actions.