Officers are concerned for the safety of missing man Mohammed Ishtyaq.
Mohammed was last seen at the scene of a collision on Swarkestone Bridge at 10.45pm on Saturday, 11 January. It is unknown if he suffered injuries as a result of the collision and officers are concerned for his wellbeing.
The 37-year-old was last seen wearing a blue jacket, black trainers and a grey tracksuit – he was also wearing a gold ring with a green flag on it.
Mohammed, who is from the Normanton area of Derby, is described as 5ft 5ins tall, of stocky build and has black hair.
Anyone with any information is asked to contact Derbyshire police using any of the below methods with reference 806-120120:
Facebook – send us a private message to /DerbyshireConstabulary
Twitter – direct message our contact centre on @DerPolContact