Twitter restores access to its social medium on Thursday evening after the company was hit by a major outage. As a result, users were unable to reach the service for about an hour.

The American company says the problems have been caused by internal adjustments to its systems. Users get access to Twitter again while the company solves the problems.

On the English-language signaling service, tens of thousands of reports were received from users who suffered from the problems on Thursday. Most reports come from Europe and the east and west coast of the United States.