Police have appealed for witnesses to Tuesday night's road smash in Hamilton that left a cyclist with serious injuries and in Waikato Hospital.
About 8.55pm Forest Lake residents heard a loud crash and rushed outside to find a 47-year-old man sprawled on the ground.
His bicycle was found 40 metres away.
Police said initial indications are that the cyclist was travelling south along Lafferty St when a westbound vehicle travelling along Hinau St failed to give way and knocked the man off his bike.
The offending vehicle failed to stop and residents said they saw a grey or silver car continue along Hinau St, over the rise and out of view.
The cyclist is now in a serious condition in Waikato Hospital.
Inspector Leo Tooman praised the local residents for rushing to the man's aid.
"Somebody out there in the community knows who the driver is and we ask for them to get in touch with us. Or better still, the driver of the vehicle should come forward and make contact with police.
"We are looking for a grey or silver car, which will possibly have sustained frontal damage to the bonnet and or windscreen."
If you have information contact either senior constable David Tidmarsh or constable Kent Morrissey of the Serious Crash Unit on 850-7050.
Alternatively, leave information anonymously on the CrimeStoppers crime line 0800 555 111.
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