A mother and son have died after a vehicle collided with their car, a Hyundai, on the A632 Chesterfield Road at Span Carr on Saturday 9 December at around 10.20am.
A 59-year-old woman was pronounced dead at the scene and her son, who was 22-years-old, later died at hospital after being taken there by air ambulance.
A 40-year-old man has been arrested and remains in police custody. The driver of the vehicle, a black BMW, made off from the scene and remains outstanding, officers are carrying out investigations to trace him.
Anyone with information is asked to contact Police using the methods below and quoting reference number 23*756758.
Website – We have crime reporting tools on our website: use our online contact form
Facebook – send us a private message to the Derbyshire Constabulary Facebook page
Twitter – direct message our contact centre via @DerPolContact
Phone – call us on 101
You can also anonymously contact the independent charity CrimeStoppers, on 0800 555 111, or by visiting the CrimeStoppers website.