Social media giant Twitter suffered an hour-long worldwide outage this morning, with users unable to access the platform on both the website and mobile.
According to website DownDetector.com, Twitter began experiencing issues around 6.46am.
The highest user-reported incidents were from Western Europe and the US.
Twitter's service appeared to be restored about an hour later, at around 7.45am.
In a statement, a Twitter spokesperson said: "We are currently investigating issues people are having accessing Twitter."