An eye-witness said emergency services are currently in Willingdon Road by the junction with Wish Hill (6pm on Monday, May 9).
Ambulance and fire crews have attended the incident, according to an eye-witness.
The fire service said two people were handed over into the care of the ambulance crew.
A van and a car were involved in the collision, according to the fire service.
The emergency services have been contacted for more information.