Quartz has contacted Facebook’s India and global offices. The India communications office replied asking for clarification, saying they would reply with more information later. The global office has not yet responded.

Users on Twitter are reporting log-outs from around the world, including India and the Philippines, which are two of the largest markets for Facebook. India has around 240 million Facebook users, while the Philippines is home to 70 million.

The website Down Detector, which tracks real-time reports from users who are unable to access popular websites, showed that there had been a dramatic spike in problems on Facebook around 8am India local time today. Down Detector reported that 53% of users were unable to log in, 14% had trouble accessing apps, and 32% faced a “total blackout.”

This story will be updated as more details come in.

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