Trump aide Giuliani positive for Covid-19 after travelling to challenge election results

President Donald Trump’s lawyer Rudy Giuliani has tested positive for Covid-19, Trump said on Sunday, after the former New York mayor’s cross-country efforts to persuade Republican state lawmakers to help reverse the president’s election defeat.

The 76-year-old Giuliani is the latest in a long string of people close to the White House, including Trump himself, sickened in a pandemic that has killed more than 280,000 Americans...