Cape Town - Actress DuShon Monique Brown known for playing nurse Katie Welch on Prison Break and Connie in Chicago Fire died on Friday. She was 49.
Brown's TV appearances also include guest roles on Empire and Shameless.
According to the Chicago Tribune Brown died a little after 12:00 at Franciscan St. James Health Olympia Fields, Illinois. The cause of death has not yet been revealed.
Speaking to USA Today Robert Schroeder, Brown's representative, said the star's "untimely death" was sudden and from "natural causes."
"The Chicago Fire family is devastated to lose one of its own," Chicago Fire executive producer Dick Wolf said in a statement to E! News.
The official Prison Break Facebook page shared on Friday: "A sad day indeed. Prison Break actress DuShon Monique Brown from the first two seasons has unfortunately passed away. Condolence to her family. R.I.P"
(Click here to view the post on Facebook)