One woman was transported to hospital following a two-vehicle collision on Lansdowne Street on Wednesday morning.
Emergency crews were called to the intersection at Monaghan Road around 11:30 a.m.
Paramedics treated one woman in a SUV before transporting her to Peterborough Regional Health Centre with undisclosed injuries.
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The other occupant of the SUV and the driver of a car were not injured, paramedics on scene said.
The Peterborough Police Service are investigating the cause of the collision.
It is unclear if any charges will be laid.