Get the latest top news stories sent straight to your inbox with our daily newsletterFacebook, WhatsApp, Messenger and Instagram are working again after going down for more than seven hours.
The sites sparked global outage as the massive failure saw 10.6 million people report problems around the world. Facebook blamed a faulty configuration change for the reason users couldn't access the social media platforms over the web or on smartphone apps.
Security experts speculated the problem came following network changes, with the cause still unconfirmed by late Monday evening.
Here's what we know so far. More than 72,000 WhatsApp users reported issues using the global instant messaging service from about 4pm UK time, according to
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