Websites around the world, including major news sites and the United Kingdom's government page, were temporarily down during a massive outage early Tuesday.
The company, which provides content delivery services to many websites, said the "issue has been identified and a fix is being implemented."
It was not immediately clear what caused the massive outage.
Multiple news outlets were taken offline, including BBC, Bloomberg News, CNN, The Financial Times, The Guardian, The New York Times and The Verge.
The New York Times, CNN and the Guardian appeared to be back up and running about an hour after they were temporarily disabled.
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United, BBC, Bloomberg News, CNN, The Financial Times, Guardian, The New York Times