Police are appealing for witnesses following a collision on the Ballynahinch Road in Dromara.
The collision took place at about 3.45pm on September 9.
It involved a Toyota Corolla and a tractor. The Toyota Corolla was carrying two males and a female.
A 27 year-old man and a 23-year-old man were arrested in connection with the collision .
The two were subsequentlyreleased on bail. Police investigating the incident are asking that anyone with information or who noticed the green Toyota Corolla in the area prior to the collision get in touch with them on 0845 600 8000.