Trump turned to his favorite mode of communications at one of his favorite tweet times -- early morning -- as crowds began to gather on the National Mall in the center of Washington for his swearing-in as the 45th US president.
The political outsider, real estate mogul and former TV reality star wrote: "It all begins today! I will see you at 11:00 A.M. For the swearing-in. THE MOVEMENT CONTINUES - THE WORK BEGINS!"