Earth Wind & Fire abruptly postponed its San Francisco concert with Lionel Richie just minutes before showtime on Thursday, August 6, after a medical emergency involving a member of the legendary group. The last-minute cancellation at Chase Center immediately raised concern among fans, with emergency responders reportedly transporting a patient from the venue to a local hospital in critical condition.”We are unable to perform as scheduled tonight at Chase Center in San Francisco due to a medical emergency involving a member of our band,” Earth Wind & Fire announced on their Instagram Stories, per Page Six. “As a result, tonight’s show with Lionel Richie will be rescheduled, with a new date to be announced soon.” The band did not initially identify the member involved or provide additional information about their condition.A representative for the San Francisco Fire Department said a fire engine and private ambulance responded to what was described as a “cardiac incident” at the venue.