Police officers investigating a road accident are appealing for a cyclist who may have witnessed the collision.
The crash took place in Uppingham Road, Corby, between the BP Fourways roundabout and the Oakley Hay roundabout, at some point between 8.30pm and 9pm last night.
Two vehicles were in collision when one is believed to have pulled out to overtake a cyclist, travelling towards Kettering.
The second car was travelling in the opposite direction.
Officers are appealing for the cyclist, or anyone else who witnessed the collision to contact them.
Witnesses or anyone with information about this incident can contact police on 101 or Crimestoppers anonymously on 0800 555 111.