A woman has been arrested following reports of an assault on-board a train at Watford Junction station.

Officers from the British Transport Police were called to the station at around 8.30pm on Thursday evening after receiving reports of an assault on a member of staff.

A 21-year-old woman from Wolverhampton was arrested on suspicion of common assault, and has been retained in custody while enquiries continue.

The victim did not receive any serious injuries.