LATEST: Hornby residents have been worried for months about the danger of boy racers congregating on their road.

Last night their fears were realised, when a man was killed and a second person injured in a hit and run crash on Shands Road at the Marshs Road corner.

Juanita Wehi said after complaining to police for two months, she went outside last night with a video camera to record and show police what was happening when the crash occurred.

''I heard a racing car and then a great almighty bang, my brother screamed out 'someone has been hit'.''

She called 111 and then saw a boy, in his late teens or early 20s, lying face down on the road.

''I tried to check for any signs of life several times but I couldn't find a pulse. He wasn't breathing. He was a real mess.''

"It's a dangerous stretch of road and they do dangerous things," she told One News.

"They're in groups, they stand on the road, and as sad and tragic as what's happened tonight is, it's not unexpected."

Wehi said she stayed with the victim until the ambulance arrived but he was showing no signs of life and had no pulse.

"It breaks my heart to see this sort of thing happening and I fear for my children and other's peoples children who get involved in these situations."

She said something needed to be done to prevent further accidents in the future.

The crash occurred at around 11pm on on Shands Road near Marshs Road.

Witnesses saw two vehicles travelling in the same direction on Shands Road, and say one of the cars struck pedestrians standing beside the road. Neither vehicle stopped.

One man was confirmed dead at the scene and a second victim was taken to hospital with a leg injury.

Police are asking the public for help locating the vehicle that will have extensive damage to the front of the car.

They would also like to hear from the driver and occupants of both cars, believed to be an older model Toyota coloured red and a Suzuki Swift, and encourage them to come forward.

A scene examination will be taking place and motorists are advised that Shands Road in the vicinity of Marshs Rd, Hornby will be closed until further notice.  

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Police are also investigating a second hit and run incident that occurred outside Burger King Moorhouse Avenue at approximately 3.00am on Saturday.

A green four-door saloon struck a pedestrian, then left at speed along Moorhouse Avenue. The pedestrian, a man in his 20s, was taken to hospital with multiple serious injuries. 

Police are seeking any witnesses to the incident or anyone who has knowledge of this vehicle and its driver.

Witnesses were asked to call Detective Gary Absalom on 363 2578 or Crimestoppers on 0800 555 111.

- © Fairfax NZ News