Facebook has sparked fury after a graphic child abuse video went viral on the social network, reportedly being ‹shared› over 16,000 times.

Thousands of users logged onto their accounts last night to find the horrifying footage appear on their personal news feed and instantly took to Twitter to vent their disgust.

According to users who saw the clip, apparently of a young girl being abused by a grown man, it had already been shared over 16,000 times and received almost 4,000 ‹likes›.