Christchurch Police are still seeking a white Holden Commodore, registration OE 9270, which was seen at several of the sites of Friday's explosions in the city.
Detective Sergeant Mark Reid says that some good information has come in from the public but police are still seeking possible names of suspects and information which will lead them to locate the car.
"We still have inquiries to be made but would like more help from the public," he says.
Anyone with information is asked to contact Christchurch Police, phone 03 363 7400.