Some of Half-Blood Prince will be shot at the Surbiton (a suburban area of London) train station this weekend with Daniel Radcliffe.

Seargeant Christopher MacKellaich, of the British Transport Police, said: “We will have officers down at the station on Friday, Saturday and Sunday night to assist with any public order issues associated with the filming.

“They are going to be filming overnight from late evening to the early morning and we will have six or seven officers down there each night.”