Joe Biden resumes duties after handover to Kamala Harris during medical exam

President Joe Biden arrives at Walter Reed National Military Medical Centre (Evan Vucci/AP)

President Joe Biden briefly transferred power to Vice President Kamala Harris to undergo a routine colonoscopy at Walter Reed National Military Medical Centre before resuming his duties, the White House said.

Mr Biden drove early Friday to the medical centre in the Washington suburbs for his first routine physical exam as president.