Facebook and Instagram and Whatsapp seem to be coming back online after hours of outage. Both Facebook and Instagram came back online a little earlier than Whatsapp but all three services have issued statements regarding their coming back online.

“Instagram is slowly but surely coming back now – thanks for dealing with us and sorry for the wait!,” Instagram said in a statement.

“To the huge community of people and businesses around the world who depend on us: we’re sorry. We’ve been working hard to restore access to our apps and services and are happy to report they are coming back online now. Thank you for bearing with us,” Facebook said.

“Apologies to everyone who hasn’t been able to use WhatsApp today. We’re starting to slowly and carefully get WhatsApp working again,” Whatsapp said in a separate statement.

“Thank you so much for your patience. We will continue to keep you updated when we have more information to share,” the statement added.

Websites and apps often suffer outages of varying size and duration, but hours-long global disruptions are rare.

In a tweet, WhatsApp said, ”

We’re now back and running at 100%.

Thank you to everyone around the world today for your patience while our teams worked diligently to restore WhatsApp. We truly appreciate you and continue to be humbled by how much people and organizations rely on our app every day.”

Earlier, DownDetector reported a quick spike in the number of cases of WhatsApp not working for users on October 4. The same issue was observed with Instagram, as well.

For Facebook users, they were redirected to an error page with a message reading on the screen, saying that their browser could be connected. WhatsApp Web dished out a message saying “this site can’t be reached”. Incoming or outgoing messages on Whatsapp and Instagram were also blocked due to the outage.

Facebook’s worst outage in history came in 2008, just four years old then, when the social media company went dark for nearly a whole day over a bug that left many of the platform’s 80 million users unable to load their timelines over a bug, according to CNBC reports.  

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In 2010, Facebook had a two-hour outage due to a perplexingly complicated networking issue, which was reportedly created by its engineers once again. The answer, on the other hand, was very straightforward. The site was turned off and restarted by Facebook, the Guardian reported.

A runaway condition at a “database cluster” of computer servers among the 500 locations that make up Facebook’s global network triggered the problem.

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Another site glitch was caused by Facebook engineers, this time a “read-only bug” that prohibited users from writing status updates for more than four hours in 2014.