Around 1:30 p.m. Friday, police were called to the intersection of Thames and Charles streets.
Police say a pedestrian pushing a stroller was crossing the road when a transport truck hit her.
The pedestrian was taken to hospital where she later died.
She’s been identified as 22-year-old Ashten Elizabeth Fick of Ingersoll.
The baby in the stroller was taken to hospital with minor injuries.
The driver of the truck was not injured, OPP say.
Anyone with further information is asked to contact the Oxford County OPP at 1-888-310-1122.