UPDATE: ME identifies man who died after collapsing at Riverside Theater concert

Updated: 4:34 p.m. June 1, 2018

MILWAUKEE (CBS 58) -- The Milwaukee County Medical Examiner has confirmed the name of the man who died at the concert at the Riverside Theater Wednesday night. 52-year-old Jeffrey Fortune is from Deerfield, Wisconsin and passed away from natural causes during the concert's intermission.

According to the ME. Fortune has a history of heart failure and the expected cause of death is cardiac. No autopsy has been scheduled because of past history.

Fans of Ghost, the band that was playing that night, have set up a GoFundMe for the man's family. it has already raised five times its goal in the first day. To donate click here.

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Updated: 8:42 a.m. on June 1, 2018

MILWAUKEE (CBS 58) -- The Pabst Theater group released a statement following the death of a concert attendee on Thursday night at the Riverside Theater.

The following statement was given to CBS 58 on Friday morning:

"We are saddened by the tragedy that happened at the Riverside Theater last night. Our deepest sympathy and condolences go out to the family and we ask the public to respect their privacy. We appreciate the efforts of the Milwaukee Police Department, Milwaukee Fire Department and Per Mar Security in quickly responding and assisting during this difficult time."

The Milwaukee County Medical Examiner's Office says the man died of natural causes after collapsing during the concert.

"Ghost" a Swedish heavy metal band was performing to a sold-out crowd when someone in the mosh pit dropped to the ground. The rest of the show was canceled and those in attendance were asked to leave the theater.

This morning we learned that the man taken to the hospital from our show last night in Milwaukee passed away from natural causes. Our hearts are broken for him & his family. Again we ask you to send the family your prayers, condolences & respect their privacy during this time. — Cardinal Copia (@thebandGHOST) June 1, 2018

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Updated: 5:10 a.m. on June 1, 2018

MILWAUKEE (CBS 58) -- A man died of natural causes after collapsing at a concert at the Riverside Theater Thursday night.

The Milwaukee County Medical Examiner's Office says the man died of natural causes.

"Ghost" a Swedish heavy metal band was performing to a sold-out crowd when someone in the mosh pit dropped to the ground. The rest of the show was canceled and those in attendance were asked to leave the theater.

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Posted: 10:09 p.m. on May 31, 2018

MILWAUKEE (CBS 58) -- A show at the Riverside Theater was canceled at intermission Thursday after someone passed out.

"Ghost" a Swedish heavy metal band was performing to a sold-out crowd when someone in the mosh pit dropped to the ground. The rest of the show was canceled and those in attendance were asked to leave the theater.

The Milwaukee Fire Department confirms they took one person to the hospital and CPR was performed to revive the person.

A CBS 58 reporter who was at the concert says paramedics performed CPR for at least 15-20 minutes. Staff at the Riverside told fans the show was cut short because of a "terrible tragedy"

This is a developing story. Stay with CBS 58 for more information.