Four men have been arrested after a teenage girl was reportedly raped in a park in Surbiton.

Officers were called to Fishponds Park just before 7.15am on Thursday.

A 24-year-old man was arrested on suspicion of sexual assault and administering a substance with intent to commit a sexual offence.

A 36-year-old man was arrested on suspicion of rape, sexual assault and administering a substance with intent to commit a sexual offence.

A 35-year-old man was arrested on suspicion of rape, sexual assault and administering a substance with intent to commit a sexual offence.

A 41-year-old man has been arrested on suspicion of rape.