US President Donald Trump has replaced his White House Chief of staff Reince Priebus. <br/><br/>A day after his new Communications Director Anthony Scaramucci accused Priebus of leaking information to reporters, President Trump in a tweet named General John Kelly as his next Chief of staff. <br/><br/>General John Kelly currently heads the Department of Homeland Security.<br/><br/>The announcement of Mr Priebus's departure came after three Republican senators defied White House pressure to vote against health care reforms.<br/><br/>Priebus has been under fire for weeks, seeing one White House ally after another resign or leave, culminating in the departure of press secretary Sean Spicer a week ago.