Police are trying to find out more about a crash at Mangaweka after the vehicle involved left the scene.
A spokewoman said police were advised of a single-vehicle crash near the intersection of State Highway 1 and Soldiers Rd about 8pm on Saturday.
"Initial reports indicated a vehicle towing a trailer had crashed into a ditch," the spokeswoman said.
"The vehicle left the crash site before police arrived. Enquiries are ongoing."