An air ambulance has landed in a field after a black car hit a pedestrian.

The chopper landed at Merry Hill School's field near Sparrow's Herne, Bushey Heath and police and paramedics were also called to the scene.

A police spokeswoman has confirmed they were called just before 8.30am this morning after an Audi Q7 struck a man who was walking along Sparrows Herne.

The pedestrian, aged in his 50s, has been taken to hospital but his injuries are not thought to be serious at this time.

Police remain at the scene and although the area was gridlocked for much of the morning, the roads are clear.