A cyclist was taken to hospital with a suspected broken collarbone after being hit by a lorry near Stoke Bruerne this morning
Police are keen to track down the driver of the lorry who did not stop after the collision which happen at around 6.40am.
The lorry was travelling towards Milton Keynes on the A508 near Stoke Bruerne when it overtook the cyclist.
The lorry had a large digger on the rear with orange flashing lights.
Witnesses or anyone with information should call Drivewatch on 0800 174615.