Image copyright Yui Mok Image caption Facebook said it was looking into what caused the outageBusiness owners have shared how they have been affected by an outage of Facebook’s products.
People across the world were unable to access Facebook, Instagram, Messenger and Whatsapp for about 14 hours.
Photo-sharing app Instagram announced it was back up and running, but users are still having difficulty accessing Facebook, according to Down Detector.
Facebook confirmed that the outage was not related to a DDoS, a cyber attack that floods a website with requests, making it unreachable to other users.
A Down Detector map shows issues reported in the UK, Canada, Belgium and the US.