Piers Morgan has revealed that he has had to beef up security at his home after being sent terrifying death threats on social media.The broadcaster, who clashed with Alex Beresford over Prince Harry's interview, appeared on Wednesday 2 March edition of This Morning and shared his experiences of vile trolling with hosts Phillip Schofield and Holly Willoughby. Phillip read out the death threats Piers, 55, had been sent online and admitted he has had to take action against it.