A woman driving a motorised wheelchair yesterday hit two other women from behind as they were walking in Cherry Street, Ballina.
The injured women had to be taken to Lismore Base Hospital following the accident, which took place outside of the Uniting Church around 7.15am.
A 66-year-old woman underwent emergency surgery after sustaining multiple fractures to both legs.
An 80-year-old received a fractured arm and cuts to her head.
Police are continuing their investigations into the incident.