A spokesperson for Devon and Cornwall Police said: “Police were notified at approximately 3.45am this morning, Wednesday 3 June, following reports of a crash involving a Royal Navy helicopter in a field at Sourton Down, near Okehampton in Devon.
“The incident resulted in a multi-agency response with emergency services still on scene. The Ministry of Defence are also in attendance.
“Several road closures remain in place in the area, including around the A386 and at the A30 Sourton Cross slip road and services area.
“Motorists are advised to avoid the area where possible and seek alternative routes.
“Enquiries remain ongoing at the scene.
“We are asking for people not to post videos and images online but instead share with police. Any information can be reported to us via 101 or by our website quoting log 67 03/06/26.”