Joe Biden tests positive for Covid and cancels campaign event, White House says

President, who has mild symptoms, returning to Delaware to self-isolate but will continue to carry out the full duties of the office'

Joe Biden has caught Covid-19 and cancelled a speaking engagement at the last minute, before he was due to address a conference in Las Vegas on Wednesday afternoon, the White House has confirmed.

The US president had developed symptoms, and just before he was going to address the UnidosUS annual conference in Nevada, and after a long delay, the organization's president and chief executive, Janet Murguia, told those gathered he would not be taking the podium.