According to Spanish agency Efe, users from countries including the United States, Mexico, France, Romania, Norway, Georgia and Greece have already registered on the Downdetector portal that they are having problems.
In Portugal, the problems started to be noticed at around 16:30.
In the case of the WhatsApp messaging application, when users send messages, a clock icon appears and the message is not sent, both Instagram and Facebook feeds are also timing out-
As yet no comment has been made by Facebook regarding the situation.