Two people were seriously injured after a dirt bike and a vehicle collided in Auckland's Manurewa on Monday night.
Emergency services were called to the crash at the intersection of Great South Rd and McAnnalley Street at about 10:40pm.
Two people on the dirt bike were taken to hospital with serious injuries.
"Both remain in stable conditions," a police statement said.
"The serious crash unit was notified at the time and examined the scene."
Police said the exact circumstances of the crash were being investigated.
"Anyone with information that can assist the ongoing investigation should contact police on 105 quoting the file number 240109/9816."