A 19-year-old woman was found dead in a bakery's walk-in oven at a Canadian Walmart where she was an employee, according to reports.

A 911 call from Saturday had described the woman as "trapped" inside the oven. But sources told the CBC that the oven did not lock.

Amanda Moss, a spokesperson for Walmart Canada, said the company was deeply saddened by the tragic death of an employee. In a statement to CBS News, Moss said the store in question would remain closed until further notice to allow for further investigation and for employees to process the situation.