Officers are appealing for witnesses and information following an assault on a member of rail staff at Colwall Rail Station, Herefordshire.
The incident happened on Tuesday 21 March at 10pm.
A man, who was stood on the platform, shouted at the train guard and attacked the train with a screwdriver. He then threw the screwdriver at the train guard, striking him in the face.
As a result of the attack, the train guard attended hospital and received stitches to a wound on his forehead.
The man is described as white, in his late 20s and at the time of the incident he was wearing a baseball cap and tracksuit.
Anyone with information is asked to contact BTP by calling 0800 40 50 40 or by texting 61016, with reference 766 of 21 March.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.