(Bloomberg) -- Microsoft Corp.’s GitHub said its services are operating normally after an incident that lasted almost four hours prevented users from accessing its website and impacted performance.

The open-source software provider began investigating the outage at about 4 a.m. UTC, according to updates on its status page. Actions, API requests, pull requests and projects, were among services affected. The website also displayed a server error.

GitHub didn’t say what caused the incident.

(Updates with services restored)

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