LONDON: British YouTuber KSI visited a mosque on Tuesday days after facing criticism over his use of a racial slur in a video. Earlier this week, KSI, who is also a rapper and boxer, ignited a race row due to a Sidemen video clip in which he used a derogatory four-letter word for individuals of Pakistani descent. KSI, whose real name is Olajide William Olatunji, issued an