Want all the latest Showbiz news direct to your inbox? Share your email for news, gossip and more Want all the latest Showbiz news direct to your inbox? Share your email for news, gossip and more Rachel Riley has returned to social media after viewers called for Channel 4 to fire her over comments she made on the Sydney mall knife attack that left six people dead over the weekend. The broadcaster shared on Monday that Riley had been reminded "of her obligations as a contributor to Channel 4 programming" amid calls for the Countdown star to face repercussions over...