Twitter users were unable to log into the popular social media network for several hours early Tuesday in what appeared to be a global shutdown.

“Something is technically wrong,” was posted at “Thanks for noticing — we are going to fix it up and have things back to normal soon.”

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The network was back up sometime around 8:30 a.m., but as early as 4 a.m., at, it acknowledged some users were having problems accessing Twitter and that it was working toward a solution.

The New York Times reported that some 300 million users worldwide were unable to access the network.