KSI has announced he is leaving the YouTube collective Sidemen after 13 years. KSI, whose real name is Olajide Olatunji, has made football, comedy and challenge videos with the group - which has 23 million YouTube subscribers - since 2013. His spokesperson confirmed to the BBC that he was leaving, after many of his followers voiced suspicions that it was a stunt. Tap the link in BBCNews's bio to read more about KSI's decision. #KSI #Sidemen #YouTube #BBCNews