BALTIMORE (WJZ) -- Facebook appears to be back after is was down for users worldwide Monday morning.
According to downdetector.com, a spike in reports of Facebook being down just before 1 p.m. EST.
By 1:36 p.m., the website was back up.
The outage has prompted an outpouring of posts on Twitter about the issue:
Facebook has not said what caused the outage.
This story is developing.
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