A 27-year-old man has died after a collision between a lorry and a car on the M1.
Nottinghamshire Police said an investigation is under way after the incident, and have arrested a 47-year-old man on suspicion of causing death by dangerous driving and drug driving.
The man has since been released on bail pending further inquiries.
In a statement, the force said the M1 remained shut between junction 26 and 27 for 12 hours after the crash at 4.04am on Saturday.
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Detective Constable Christopher Taylor, of Nottinghamshire Police’s Serious Collision Investigation Unit, added: “This is a tragic incident and our thoughts are with this man’s family and his loved ones at an incredibly distressing time.
“They are being supported by specially trained officers.
“Our investigation into the causes of the collision is at a very early stage and I would urge anyone who witnessed the incident or with relevant dashcam footage to get in touch.”