Facebook appears to have gone offline with users of the social network seeing the message "sorry something went wrong" when attempting to log on to the site.
Facebook users have taken to Twitter following the reported outage:
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Doug Bergeson, from Wisconsin, USA, calmly drove himself to hospital and walked into the emergency room to ask for help.
The venue will open its doors again for the first time since May's bombing on September 9 for the We Are Manchester concert .
Reports peaked in June, when the London Bridge and Finsbury Park attacks took place, with the service receiving 5,703 calls.