Democrats hail Biden’s decision not to seek re-election as selfless

US President Joe Biden has stepped aside following concerns about his fitness (Andrew Harnik/AP)

Democratic politicians hailed US President Joe Biden’s historic decision on Sunday not to seek re-election, praising him for putting his country and his party before himself.

Republicans called on him to resign from office, saying that if he could not run for another term, office, then he is unable to serve as president.