Metallica has postponed Sunday’s concert in Arizona after announcing that lead singer James Hetfield has tested positive for COVID-19.

Metallica, Mariah Carey and The Jonas Brothers will headline a free concert in New York’s Central Park to mark the 10th anniversary of the Global Citizen Festival on Sept. 24.

The custom suits BTS wore for their Grammy Awards performance earlier this year are among the items that will be sold at an auction benefitting the Recording Academy's MusiCares charity.

James Hetfield will be entering rehab after "struggling with addiction on and off for many years," his bandmates said. (CNN) - Metallica says it is postponing its tour in Australia and New Zealand after lead vocalist James Hetfield reentered rehab. "As most of you probably know, our brother James has been struggling with addiction on and off for many years," the band's tweet said. "We appreciate your understanding and support for James & thank you for being a part of our Metallica family." Metallica formed in 1981, and it is known for the hits "Enter Sandman," "Master of Puppets" and "One."