After the sedate Joe Biden years, the return of a presidency that is an incessant assault on the senses is a reminder of why so many millions of Americans see Trump as a compelling, historic figure – and why millions more deeply fear him.

Leaders across the globe reacted to Donald Trump once again entering the White House, with some nations issuing messages of congratulations while others took issue with his inaugural comments.

Chinese officials and ordinary people are hopeful but on edge as Donald Trump returns to the White House, eager to avoid a repeat of the bruising trade war that drove a wedge between the economic superpowers during his first term.