Two people have died following a collision between two cars near Kelstedge in Derbyshire.
A mother and son have died after a vehicle collided with their car, a Fiat 500, on the B5057 Chesterfield Road between Chesterfield and Matlock, 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 Derbyshire Police on 101 quoting reference number 23*756758.