"Chicago Fire" and "Prison Break" star DuShon Monique Brown died Friday, March 23 in Chicago. She was 49. The official cause of death has yet to be released, but TMZ reports she suffered an apparent heart attack, after seeking treatment for chest pains a few days prior.

Brown played the recurring role of Connie in 54 episodes of NBC's Chicago Fire" from 2012 to last week's two-part event. She also played the recurring role of nurse Katie Welch on Fox's "Prison Break" from 2005-2007.

The Chicago native also starred in the TV movie "Public Housing Unit" about Chicago cops, and that is expected to premiere later this year.

Executive producer Dick Wolf shared a statement with the Chicago Tribune:

"The Chicago Fire family is devastated to lose one of its own. Our thoughts and prayers are with DuShon's family, and we will all miss her."

Her manager, Robert Schroeder, also released a statement:

"We are very sad to announce the untimely death of beloved Chicago actress DuShon Monique Brown. DuShon, most affectionately known to many as Connie on NBC's 'Chicago Fire,' died suddenly Friday morning of natural causes. We are devastated by the loss of a very talented and kindhearted soul. DuShon was a film, television, commercial and voice-over actress who also graced the stages of many Chicago theaters. She brought laughter and joy to many and will be greatly missed. At this difficult time we ask that the privacy of the family and loved ones be respected."

"Chicago Fire" stars and filmmakers also reached out with condolences:

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