Emergency services are at the scene of a crash involving a Royal Navy helicopter in Devon.Devon and Cornwall Police said the incident happened in a field at Sourton Down, near Okehampton.Several road closures are in place around the A386 and A30 Sourton Cross slip and services area.A force spokesperson confirmed the helicopter that crashed into a field in Devon was Royal Navy.An initial statement from Devon and Cornwall Police reads: “Emergency services are at the scene after a crash involving a helicopter in a field at Sourton Down.“Several road closures are in place around the A386 and A30 Sourton Cross slip and services area.“The incident is ongoing and we will share more updates as we have them.”Devon and Cornwall Police has advised drivers to seek alternative routes around the road closures. Travel monitoring services are reporting that traffic is “coping well” despite the road closures.