Vaughan wrote in his Daily Telegraph column that he "totally denies" making the comment.
Rafiq is seen making disparaging comments about an unnamed Jewish person in the screenshots shared.
Former England cricketer and opening batter Alex Hales has categorically denied all racial allegations levelled against him by Azeem Rafiq, stating that he has heard the allegations and refuted claims on any racial connotation in the naming of my dog.
Llyod said he is "strongly committed to making cricket a more inclusive sport."
Rashid has backed former Yorkshire teammate Rafiq's accusation of racism against Vaughan, saying he can "confirm" the former captain's comments were directed at a group of Asian players.
Moeen Ali has insisted "hand on heart" he has not experienced any racism during his time in English cricket following a welter of allegations.
Rana alleges he was subjected to racist slurs and hooting from the home crowd when he played for Yorkshire in 2008 and 2009.
Earlier this week, Yorkshire launched an investigation into the racism allegations made by former England U-19 captain Azeem Rafiq and a wider review of the club's policies and culture.
Azeem Rafiq has claimed that he was “close to committing suicide” during his stint with county side Yorkshire, accusing the club of being institutionally racist.
Azeem Rafiq, a former England U-19 and Yorkshire captain, said he "lost faith in humanity" after his reports of racist behaviour were "ignored" by the club.