Facebook has apologised as tens of thousands of people report problems accessing its platforms, including Instagram and WhatsApp.
Those two services and Facebook itself have all reportedly crashed, with users reporting being unable to send or receive messages, and their feeds not refreshing.
Andy Stone, from Facebook's communications department, tweeted:
"We're aware that some people are having trouble accessing our apps and products. We're working to get things back to normal as quickly as possible, and we apologize for any inconvenience."
Downdetector, which collects status reports on the services, showed 73,804 problems with WhatsApp had been recorded in a spike at 4:53pm.
It showed 43% of the problems were associated with the app and 28% were related to sending messages.
The site suggested Facebook had received more than 58,219 reports, of which 71% were regarding its website and 17% were with the app.
For Instagram, a total of 30,473 reports have been recorded, with more than 50% showing issues with the app.
A similar issue with the three apps was recorded in April, when they crashed for around two hours before returning to being fully functional.
Sky News (C).