Netizens on Wednesday complained about outage of services on Facebook, WhatsApp and Instagram.
According to service outage tracking website 'Down Detector', users in west Europe, the U.S, South America, Indonesia were most impacted.
Services were affected in India as well.
When contacted, a Facebook spokesperson said: "We're aware that some people and businesses are currently having trouble uploading or sending images, videos and other files on our apps. We're working to get things back to normal as quickly as possible".