Donald Trump has now fired three of the people investigating him

Donald Trump has now fired three people who were carrying out investigations linked to either him or his campaign - something the president’s critics have said represents “a troubling pattern”.Before the president dismissed FBI Director James Comey, claiming that he had been obliged to act because of the way he handed an investigation into Hillary Clinton, he had previously fired Deputy Attorney General Sally Yates and Preet Bharara, the New York US Attorney for the Southern Di