Thursday’s Earth, Wind & Fire concert in San Francisco was canceled due to a medical emergency involving a band member, according to officials. According to a statement released by Chase Center, the show with Lionel Richie was postponed after an Earth, Wind & Fire band member had a medical emergency. "Earth, Wind & Fire is unable to perform as scheduled tonight due to a medical emergency involving a member of their band," the band wrote on social media. "As a result, tonight’s show with Lionel Richie will be rescheduled, with a new date to be announced soon. Ticket holders should retain their tickets, which will be honored for the new date, or refunds will be available at the point of purchase.