The Forensic Crash Unit has been called in to investigate, after a woman and her toddler were struck by a car in Benowa.
They were struck while crossing Carrara St around 5pm on Thursday.
The 12-month-old, who was in a pram at the time, suffered a suspected broken leg in the collision, while the 37-year-old women was treated for a hand injury.
The driver of the vehicle wasn't injured.
Police are looking into the incident.