Alex Beresford has revealed he's quit social media after receiving "racist" comments from the public following his on-air argument with Piers Morgan.The 40 year old and former Good Morning Britain host Piers got into a heated row over 55 year old Piers' comments about Meghan Markle and Prince Harry's claims during their explosive Oprah Winfrey interview. The incident resulted in Piers storming off the set before later quitting the show altogether.