It's been a deadly few hours on the country's roads

Police have located a dark-grey Mazda 6 sedan involved in yesterday morning's fatal hit-and-run in Lower Hutt's Naenae ... .they're still looking for the driver.

Meanwhile, two people have died and five others have moderate to critical injuries, after overnight crashes in Chatto Creek in Otago, Turitea in Manawatu, Turangi in the central North Island, and Kaiwaka in Northland.

Meanwhile, a person has now died after yesterday's major three-vehicle crash on Auckland's Southern Motorway.