Chris Cornell, Soundgarden frontman and grunge icon, dies at 52

This post was updated at 11:05 a.m. PDT to include a statement from the medical examiner.

Chris Cornell, the iconic voice behind Soundgarden, Audioslave, and Temple of the Dog, has died at age 52. The singer had been on tour with Soundgarden in Detroit.

In a statement to the AP, Cornell's rep Brian Bumbery called the death “sudden and unexpected.” He later told CNN that Cornell's wife Vicky and family "were shocked to learn of his sudden and unexpected passing." In an emailed statement, the Wayne County Medical Examiner's Office said it had determined that Cornell died by suicide.

Cornell's wife and family "would like to thank his fans for their continuous love and loyalty and ask that their privacy be respected at this time," Bumbery said.

Cornell posted about the Soundgarden concert in Detroit on Twitter just eight hours before his death:

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Fox Theatre in Detroit posted pictures of the concert:

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People on Twitter were heartbroken at the unexpected death of the rocker and were paying tributes to him:

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The Associated Press contributed reporting to this story.