It happened in Dorset Avenue last night when the victim was walking along the pavement with a friend.
They were both hit by a dark-coloured car.
One of the men was then stabbed in his lower body and is in a serious condition in hospital.
More top news
Cloudy with some rain first thing, perhaps locally sleet or snow, however this will soon clear to leave a bright and breezy day.
There will be a few wintry showers tonight but tomorrow will see some sunny spells.
A man from Northamptonshire has begun an epic journey, to walk 5,500 miles from his home town of Kettering to Mount Kilimanjaro in Africa.