Facebook has confirmed a widespread outage impacting users' ability to access the social network and Instagram across the US and parts of Europe.
More than 3,500 people had reported outages Wednesday, according to the outage report.
The problems appear to be affecting users on both desktop and mobile.
Instagram, which is claimed by Facebook, was additionally down for a brief timeframe, the organization affirmed.
According to Down Detector, almost 12,000 people have said they are having issues with the social media sites.
On Facebook, users were unable to post status updates while Instagram users experienced a similar issue.
"We're working to get things back to normal as quickly as possible".
The social media platforms went dark for many across North American and Europe on Wednesday morning. A hashtag "facebookdown" trended worldwide on Twitter as people swapped social networks to check whether the service is really down or not.