British Columbia's police watchdog is investigating after a woman who was arrested, released, and arrested again by Burnaby RCMP, died in custody.

The IIU says a 40-year-old man died after being arrested by Winnipeg police early Wednesday.

The inquiry was told Acorn had been diagnosed as possibly having Wolff-Parkinson-White syndrome and was directed to take further tests to confirm the diagnosis, She did not follow up on those requests.