British Transport Police Detectives are investigating an attempted robbery which occurred in March.

The incident happened on board a train from Carpenders Park to Bushey around 3 pm on the 31st March.

A 15-year-old boy was approached by a group who tried to steal his phone, and he was kicked and punched when he refused to hand over the phone.

The boy had a broken tooth and other minor injuries.

Detectives have now released CCTV images in connection with the incident and would like to speak to those pictured.

Should anyone recognise them or have any additional information on the incident, they should contact BTP by texting 61016 or by calling 0800 40 50 40, quoting reference 440 of 31 March.

Additionally, anonymous reports can be made via Crimestoppers on 0800 555 111.