Social media platforms Whatsapp, Instagram and Facebook Messenger all went down in a major outage at around 1730 GMT on Friday, according to the tech monitoring website Downdetector.
However, shortly after 1800 GMT, several Whatsapp users said on social media that they were able to again send messages on the app.
Instagram also came back after about an hour.
All three sites belong to US social giant Facebook, which was unable to immediately provide information on the extent and length of the problem when contacted by AFP.
-EWN
In other news – Sad moments: Inside actor Menzi Ngubane’s memorial service
It was an afternoon filled with emotionally-charged tributes as those close to the late Menzi Ngubane gathered at the Assemblies Of God Sandton Church on Thursday for a memorial service fit for acting royalty.
Actors Thapelo Mokoena and Ayanda Borotho were the MCs of the day and began the programme with a moment of silence in Menzi’s honour. Learn More