Global infections rise above four million: There are now 4.02 million confirmed cases of the novel coronavirus around the world, as cases rise rapidly in Brazil and Russia. The death toll globally is now at least 279,303, according to Johns Hopkins University.

Deaths top 10,000 in Brazil: The epidemic is escalating in the South American country where the death toll is now above 10,000. Brazil has the eighth highest number of confirmed infections in the world, with 156,061 cases.

Quarantine in the White House: Several top US officials, including the CDC director, have gone into isolation after two White House staffers tested positive for the novel coronavirus. Parts of the building will undergo “heightened levels of cleaning” in the wake of the confirmed cases, according to a memo seen by CNN.

South Korea spike: The country reported 34 new cases of the novel coronavirus on Saturday, the highest rise in infections since April 9. South Korea’s Centers for Disease Control and Protection said 26 of the cases were locally transmitted. All bars in Seoul were ordered shut on Saturday after a cluster of infections at nightclubs.

UK PM to ease lockdown measures: Prime Minister Boris Johnson will announce a new five-tier Covid-19 warning system in a televised address to the nation today, according to the UK Press Association. Johnson will also announce a relaxation of coronavirus restrictions, including allowing unlimited exercise.