Social media users have reported issues with Facebook, Instagram and WhatsApp today.
Facebook and Instagram are inaccessible worldwide, while many have said they cannot send or receive WhatsApp messages.
It comes just a month after Facebook experienced its worst-ever outage, which was blamed on a “server configuration change”.
Several users have taken to Twitter to complain about the problem.
The website downdetector.com has mapped the problems worldwide and it shows the UAE in the red.
US military says it turned away blockade runner trying to reach Iranian port
The US military has announced that it fired a missile into the engine room of a vessel trying to get through the US blockade of Iran on Friday.
Israel troops capture Beaufort Castle in southern Lebanon push against Hezbollah
Israeli troops have seized the 900-year-old Beaufort Castle and its strategic ridge in southern Lebanon, the military said on Sunday, a major advance against Hezbollah despite a ceasefire announced more than six weeks ago.
Jubilant PSG supporters spill onto Paris streets, some clash with police
Paris police deployed thousands of officers to control crowds at some of the city's hot spots, using teargas and arresting dozens following the win of the city's football club Paris St Germain in Saturday's Champions League final.
WHO chief urges safe burials in visit to heart of Ebola outbreak
The World Health Organisation (WHO) chief has travelled on Saturday to the Congolese province hardest hit by an Ebola outbreak, urging residents to seek treatment and practice safe burials as officials scramble to contain the fatal disease.
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