Two shots were fired at the victims' vehicle, damaging the driver's door and rear passenger area.
At 1.30am today police received a report of the shooting and are now investigating.
The victims' injuries were not considered life threatening, police said.
"Police are following lines of inquiry to establish the circumstances of this extremely serious incident," police said.
"Anyone who witnessed the incident, or who has information that may assist Police, is asked to call 105 and quote file number 201107/9132.
"Alternatively, information can be provided anonymously via Crimestoppers on 0800 555 111."